COGNIZANT EXAM HELP GROUP
3.55K subscribers
5.3K photos
21 videos
10 files
3.22K links
🚀 Placement Preparation Hub

🎓 From Preparation to Placement

OA Support • Coding • Aptitude • Technical • HR

🌟 Trusted by Hundreds of Students

🏆 372+ Placement Successes

📩 DM: @Mrtrueliving_ix

💙 Turning Aspirations into Offer Letters.
Download Telegram
MAXIMUM ROTATION
PYTHON

def rl(layer, pos, dir, ol):
n = len(layer)
rot = [None] * n

if dir == "clockwise":
for i in range(n):
rot[(i + pos) % n] = layer[i]
else:
for i in range(n):
rot[(i - pos) % n] = layer[i]

for i in range(n):
if ol:
rot[i] = chr(((ord(rot[i]) - ord('A') - 1) % 26) + ord('A'))
else:
rot[i] = chr(((ord(rot[i]) - ord('A') + 1) % 26) + ord('A'))

return rot


def aq(pl, row, col, size):
layers = []
for layer in range(size // 2):
cl = []
for j in range(col + layer, col + size - layer):
cl.append(pl[row + layer][j])
for i in range(row + layer + 1, row + size - layer - 1):
cl.append(pl[i][col + size - layer - 1])
for j in range(col + size - layer - 1, col + layer - 1, -1):
cl.append(pl[row + size - layer - 1][j])
for i in range(row + size - layer - 2, row + layer, -1):
cl.append(pl[i][col + layer])
layers.append(cl)

for lidx, layer in enumerate(layers):
ol = (lidx + 1) % 2 == 1
dir = "counterclockwise" if ol else "clockwise"
pos = lidx + 1
rotated_layer = rl(layer, pos, dir, ol)

idx = 0
for j in range(col + lidx, col + size - lidx):
pl[row + lidx][j] = rotated_layer[idx]
idx += 1
for i in range(row + lidx + 1, row + size - lidx - 1):
pl[i][col + size - lidx - 1] = rotated_layer[idx]
idx += 1
for j in range(col + size - lidx - 1, col + lidx - 1, -1):
pl[row + size - lidx - 1][j] = rotated_layer[idx]
idx += 1
for i in range(row + size - lidx - 2, row + lidx, -1):
pl[i][col + lidx] = rotated_layer[idx]
idx += 1

def MAX_ROTATION(n, pl, queries):
for row, col, size in queries:
aq(pl, row, col, size)
result = ''.join(''.join(row) for row in pl)
return result


n = int(input())
pl = [list(input().strip().split()) for _ in range(n)]
q = int(input().strip())
queries = [tuple(map(int, input().strip().split())) for _ in range(q)]

result = MAX_ROTATION(n, pl, queries)
print(result, end="")

Maximum Rotation - Codevita
from collections import deque

def infected_neighbors_count(grid, a, b):
n = len(grid)
count = 0
directions = [(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 1), (1, -1), (1, 0), (1, 1)]
for i in range(len(directions)):
dx, dy = directions[i]
nx, ny = a + dx, b + dy
if 0 <= nx < n and 0 <= ny < n and grid[nx][ny] == 1:
count += 1
return count

def infection_process(grid):
n = len(grid)
new_grid = [[grid[i][j] for j in range(n)] for i in range(n)]

for i in range(n):
for j in range(n):
neighbors = infected_neighbors_count(grid, i, j)
if grid[i][j] == 0 and neighbors == 3:
new_grid[i][j] = 1
elif grid[i][j] == 1 and (neighbors < 2 or neighbors > 3):
new_grid[i][j] = 0

return new_grid

def find_path(size, initial_grid):
grid = [[1 if cell == '1' else 0 for cell in row] for row in initial_grid]
start_x, start_y, end_x, end_y = -1, -1, -1, -1

def set_positions():
nonlocal start_x, start_y, end_x, end_y
for i in range(size):
for j in range(size):
if initial_grid[i][j] == 's':
start_x, start_y = i, j
grid[i][j] = 0
if initial_grid[i][j] == 'd':
end_x, end_y = i, j
grid[i][j] = 0

set_positions()

queue = deque([(start_x, start_y, grid, 0)])
seen_states = set()

while queue:
x, y, current_grid, days = queue.popleft()

if (x, y) == (end_x, end_y):
return days

state = (x, y, tuple(map(tuple, current_grid)))
if state in seen_states:
continue
seen_states.add(state)

next_grid = infection_process(current_grid)

moves = [(0, 0), (-1, 0), (1, 0), (0, -1), (0, 1)]
for dx, dy in moves:
nx, ny = x + dx, y + dy
if 0 <= nx < size and 0 <= ny < size and next_grid[nx][ny] == 0:
queue.append((nx, ny, next_grid, days + 1))

return -1

if name == "main":
n = int(input())
pollution_map = [input().strip() for _ in range(n)]
print(find_path(n, pollution_map) + 1)

Plague 2050 - Codevita
Import java.util.*;
public class LoopMaster {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int numberOfCommands = Integer.parseInt(scanner.nextLine());
List<String> commands = new ArrayList<>();
for (int i = 0; i < numberOfCommands; i++) {
commands.add(scanner.nextLine().trim());
}
processCommands(commands);
}

private static void processCommands(List<String> commands) {
Stack<Integer> loopIterations = new Stack<>();
Stack<Integer> currentIterations = new Stack<>();
StringBuilder output = new StringBuilder();
int commandIndex = 0;

while (commandIndex < commands.size()) {
String command = commands.get(commandIndex);
if (command.startsWith("for")) {
int times = Integer.parseInt(command.split(" ")[1]);
loopIterations.push(times);
currentIterations.push(0);
} else if (command.equals("do")) {
// No operation for "do"
} else if (command.equals("done")) {
int current = currentIterations.pop() + 1;
int maxIterations = loopIterations.pop();
if (current < maxIterations) {
loopIterations.push(maxIterations);
currentIterations.push(current);
commandIndex = findLoopStart(commands, commandIndex);
continue;
}
} else if (command.startsWith("break")) {
int breakCondition = Integer.parseInt(command.split(" ")[1]);
if (currentIterations.peek() + 1 == breakCondition) {
loopIterations.pop();
currentIterations.pop();
commandIndex = findLoopEnd(commands, commandIndex);
}
} else if (command.startsWith("continue")) {
int continueCondition = Integer.parseInt(command.split(" ")[1]);
if (currentIterations.peek() + 1 == continueCondition) {
int maxIterations = loopIterations.peek();
int current = currentIterations.pop() + 1;
if (current < maxIterations) {
currentIterations.push(current);
commandIndex = findLoopStart(commands, commandIndex);
}
continue;
}
} else if (command.startsWith("print")) {
String message = command.substring(command.indexOf("\"") + 1, command.lastIndexOf("\""));
output.append(message).append("\n");
}
commandIndex++;
}
System.out.print(output.toString());
}

private static int findLoopStart(List<String> commands, int currentIndex) {
int nestedLoops = 0;
for (int i = currentIndex - 1; i >= 0; i--) {
if (commands.get(i).equals("done")) {
nestedLoops++;
} else if (commands.get(i).equals("do")) {
if (nestedLoops == 0) {
return i;
}
nestedLoops--;
}
}
return 0;
}

private static int findLoopEnd(List<String> commands, int currentIndex) {
int nestedLoops = 0;
for (int i = currentIndex + 1; i < commands.size(); i++) {
if (commands.get(i).equals("do")) {
nestedLoops++;
} else if (commands.get(i).equals("done")) {
if (nestedLoops == 0) {
return i;
}
nestedLoops--;
}
}
return commands.size();
}
}

Loop Master - Codevita
Fence voltage▶️✔️
Please open Telegram to view this post
VIEW IN TELEGRAM
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
int n;
cin >> n;
vector<vector<pair<int, int>>> paths(n);
map<pair<int, int>, vector<int>> ptMap;

for (int i = 0; i < n; i++) {
int x1, y1, x2, y2;
cin >> x1 >> y1 >> x2 >> y2;

int dx = x2 - x1, dy = y2 - y1;
int steps = max(abs(dx), abs(dy));
int sx = (dx == 0) ? 0 : dx / abs(dx);
int sy = (dy == 0) ? 0 : dy / abs(dy);

for (int j = 0; j <= steps; j++) {
int cx = x1 + sx * j;
int cy = y1 + sy * j;
paths[i].emplace_back(cx, cy);
ptMap[{cx, cy}].emplace_back(i);
}
}

string input, tgt;
getline(cin, input);
getline(cin, input);
unordered_map<string, int> valMap;

int pos = 0, len = input.size();
while (pos < len) {
size_t col = input.find(':', pos);
if (col == string::npos) break;
string key = input.substr(pos, col - pos);
pos = col + 1;
size_t sp = input.find(' ', pos);
if (sp == string::npos) sp = len;
int val = stoi(input.substr(pos, sp - pos));
valMap[key] = val;
pos = sp + 1;
}

cin >> tgt;
ll totalCost = 0;

for (auto &e : ptMap) {
if (e.second.size() >= 2) {
int cnt = e.second.size(), minCost = INT_MAX;
for (auto id : e.second) {
auto &p = paths[id];
size_t l = p.size();
size_t idx = find(p.begin(), p.end(), e.first) - p.begin();
int left = idx, right = l - idx - 1;
int cost = (left > 0 && right > 0) ? min(left, right) : max(left, right);
minCost = min(minCost, cost);
}
totalCost += (ll)cnt * minCost;
}
}

if (valMap.find(tgt) != valMap.end()) {
cout << (totalCost >= valMap[tgt] ? "Yes\n" : "No\n");
} else {
cout << "No\n";
}

int valid = 0, total = valMap.size();
for (auto &e : valMap) {
if (totalCost >= e.second) valid++;
}

double rate = (double)valid / total;
cout << fixed << setprecision(2) << rate;

return 0;
}

Fence voltage 👍
Share and add your friends too

https://t.me/code_alphix

💯 Plag & verified codes are posted

:change variables name's


#Share_Now #Help_them

Stay tuned for more updates


@MRTRUELIVING_IX

@Mrtrueliving_ix
All Placement help available
pair<double, double> r(double px, double py, double x1, double y1, double x2, double y2) {
    double a = y2 - y1;
    double b = x1 - x2;
    double c = x2 * y1 - x1 * y2;
    double d = (a * px + b * py + c) / sqrt(a * a + b * b);
    double nx = px - 2 * d * (a / sqrt(a * a + b * b));
    double ny = py - 2 * d * (b / sqrt(a * a + b * b));
    return {nx, ny};
}

int main() {
    double ar;
    cin >> ar;

    double x1, y1, x2, y2;
    cin >> x1 >> y1 >> x2 >> y2;

    double s = sqrt(ar);
    vector<pair<double, double>> cr = {
        {0, 0},
        {0, s},
        {s, s},
        {s, 0},
    };

    set<pair<double, double>> pts(cr.begin(), cr.end());

    for (const auto& c : cr) {
        auto [rx, ry] = r(c.first, c.second, x1, y1, x2, y2);
        pts.insert({rx, ry});
    }

    for (const auto& p : pts) {
        cout << fixed << setprecision(2) << p.first << " " << p.second << endl;
    }

    return 0;
}


F.area ✔️
Please open Telegram to view this post
VIEW IN TELEGRAM
Visa

Amdocs

Nvidia

Oracle

DevRev

Help available: @MRTRUELIVING_IX ✔️
Please open Telegram to view this post
VIEW IN TELEGRAM
TcsCodevita help done ❤️💯

DM @MRTRUELIVING_IX ☄️👌
Please open Telegram to view this post
VIEW IN TELEGRAM
Gravity and lifts
Please open Telegram to view this post
VIEW IN TELEGRAM
1
Visa all codes available

@MRTRUELIVING_IX ✔️
Please open Telegram to view this post
VIEW IN TELEGRAM
Form the string

def form_str(n, subs, main):
m_len = len(main)
dp = [float('inf')] * (m_len + 1)
dp[0] = 0

for i in range(m_len + 1):
if dp[i] == float('inf'):
continue
for s, c in subs:
s_len = len(s)
max_olap = min(i, s_len)
for olap in range(max_olap + 1):
start = i - olap
end = start + s_len
if end > m_len:
continue
if start >= 0:
if main[start:i] == s[:olap]:
if main[i:end] == s[olap:]:
dp[end] = min(dp[end], dp[i] + c)

return "Impossible" if dp[m_len] == float('inf') else dp[m_len]

n = int(input())
subs = []
for _ in range(n):
ln = input().strip()
if not ln:
continue
parts = ln.split()
if len(parts) != 2:
w = " ".join(parts[:-1])
cost = int(parts[-1])
else:
w, cost = parts[0], int(parts[1])
subs.append((w, cost))
main = input().strip()
subs = [(s, c) for s, c in subs if s in main]
print(form_str(n, subs, main), end="")
Check your application status -Barclays
AMDOCS ONCAMPUS help done ▶️✔️

Test accomplished
▶️
All placement help available

OA HELP:
@MRTRUELIVING_IX ☄️

#Amdocs #ONCAMPUS #Done
Please open Telegram to view this post
VIEW IN TELEGRAM
BNP help available { 7 pm}

DM : @MRTRUELIVING_IX ✔️
Please open Telegram to view this post
VIEW IN TELEGRAM
void sort_students(struct Student arr[], int n) {
struct Student temp;
for (int i = 0; i < n-1; i++) {
for (int j = i+1; j < n; j++) {
if (arr[i].score < arr[j].score ||
(arr[i].score == arr[j].score && strcmp(arr[i].first_name, arr[j].first_name) > 0) ||
(arr[i].score == arr[j].score && strcmp(arr[i].first_name, arr[j].first_name) == 0 && strcmp(arr[i].last_name, arr[j].last_name) > 0)) {
temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}
}


AMDOCS
Oracle Help available

DM
@MRTRUELIVING_IX ▶️✔️
Please open Telegram to view this post
VIEW IN TELEGRAM
Oracle ✔️

Test accomplished ❤️

All placement help available

HELP:
@MRTRUELIVING_IX

#ORACLE #ONcampus #Done▶️
Please open Telegram to view this post
VIEW IN TELEGRAM