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πŸš€ Form Alternating String – TCS CodeVita Round 1 (Zone 1)


---

#include <bits/stdc++.h>
using namespace std;

int main() {
string s;
cin >> s;
int n = s.length(), mrtrueliving_ix = 0;
vector<int> v(n);
for (int i = 0; i < n; ++i) cin >> v[i];

// πŸ”₯ Join Telegram Channel for more codes: https://t.me/Code_alphix πŸ”₯

int le = s[0] - '0', pl = v[0];
for (int i = 1; i < n; ++i) {
if (s[i] - '0' == le) {
mrtrueliving_ix += min(pl, v[i]);
pl = max(pl, v[i]);
} else {
le = s[i] - '0';
pl = v[i];
}
}
cout << mrtrueliving_ix;
return 0;
}


--
βœ… 100% Correct Solution (C++)
πŸ’¬ @Mrtrueliving_ix
πŸ“š More codes: @Code_alphix
import heapq
from collections import defaultdict

def roll_e(t, l, f):
b = 7 - t
e = 7 - l
w = l
n = 7 - f
s = f
nt = w
nw = b
ne = t
nb = e
nn = n
ns = s
nl = nw
nf = ns
return (nt, nl, nf)

def roll_w(t, l, f):
b = 7 - t
e = 7 - l
w = l
n = 7 - f
s = f
nt = e
nw = t
ne = b
nb = w
nn = n
ns = s
nl = nw
nf = ns
return (nt, nl, nf)

def roll_s(t, l, f):
b = 7 - t
e = 7 - l
w = l
n = 7 - f
s = f
nt = n
nb = s
nn = b
ns = t
ne = e
nw = w
nl = nw
nf = ns
return (nt, nl, nf)

def roll_n(t, l, f):
b = 7 - t
e = 7 - l
w = l
n = 7 - f
s = f
nt = s
nb = n
nn = t
ns = b
ne = e
nw = w
nl = nw
nf = ns
return (nt, nl, nf)

def main():
n = int(input().strip())
pl = []
for _ in range(n):
a, b, d = input().strip().split()
pl.append((int(a), int(b), d))

pl.sort(key=lambda x: (x[0], x[1]))

pid = {1: (0, 0)}
idp = {(0, 0): 1}

dr = {"right": (1, 0), "left": (-1, 0), "top": (0, 1), "down": (0, -1)}

for a, b, d in pl:
if a not in pid:
continue
x, y = pid[a]
dx, dy = dr[d]
nx, ny = x + dx, y + dy
if (nx, ny) in idp:
oid = idp[(nx, ny)]
del pid[oid]
idp[(nx, ny)] = b
pid[b] = (nx, ny)

g = defaultdict(list)
for c, (x, y) in pid.items():
for d, (dx, dy) in dr.items():
nx, ny = x + dx, y + dy
if (nx, ny) in idp:
g[c].append((idp[(nx, ny)], d))

s, d = map(int, input().strip().split())
t, l, f = map(int, input().strip().split())

pq = []
heapq.heappush(pq, (0, s, t, l, f))
dist = defaultdict(lambda: float('inf'))
dist[(s, t, l, f)] = 0

while pq:
cst, u, t, l, f = heapq.heappop(pq)
if u == d:
print(cst)
return
if cst > dist[(u, t, l, f)]:
continue
for v, dr in g[u]:
if dr == "right":
nt, nl, nf = roll_e(t, l, f)
elif dr == "left":
nt, nl, nf = roll_w(t, l, f)
elif dr == "top":
nt, nl, nf = roll_n(t, l, f)
elif dr == "down":
nt, nl, nf = roll_s(t, l, f)
nc = cst + nt
if nc < dist[(v, nt, nl, nf)]:
dist[(v, nt, nl, nf)] = nc
heapq.heappush(pq, (nc, v, nt, nl, nf))

print(-1)

if __name__ == "__main__":
main()


Roll the dice βœ“
Codevita all Codes available πŸ˜βœ…
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#include <bits/stdc++.h>
using namespace std;

map<char,int> led={{'0',0b1111110},{'1',0b0110000},{'2',0b1101101},{'3',0b1111001},{'4',0b0110011},
{'5',0b1011011},{'6',0b1011111},{'7',0b1110000},{'8',0b1111111},{'9',0b1111011}};

bool valid(string t){
int h=stoi(t.substr(0,2)),m=stoi(t.substr(3,2));
return h>=1&&h<=12&&m>=0&&m<60;
}

int diffCost(string a,string b,int X,int Y){
int h1=stoi(a.substr(0,2)),m1=stoi(a.substr(3,2));
int h2=stoi(b.substr(0,2)),m2=stoi(b.substr(3,2));
int hd=abs(h1-h2);hd=min(hd,12-hd);
int md=abs(m1-m2);md=min(md,60-md);
return hd*60*X+md*Y;
}

int main(){
string time;cin>>time;
int X,Y;cin>>X>>Y;
vector<int> idx={0,1,3,4};
string best="";int bestCost=INT_MAX;
for(int i:idx){
char c=time[i];
for(int d='0';d<='9';d++){
if(d==c!led.count(c)!led.count(d))continue;
int x=led[c]^led[d];
if(__builtin_popcount(x)==1){
string t=time;t[i]=d;
if(valid(t)){
int cost=diffCost(time,t,X,Y);
if(cost<bestCost||(cost==bestCost&&t<best)){
best=t;bestCost=cost;
}
}
}
}
}
if(best=="")cout<<"No closest valid time possible";
else cout<<best;
return 0;
}

Interview bit // codevita βœ“
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TCS codevita βœ“
#include <bits/stdc++.h>
using namespace std;
https://t.me/Code_alphix
struct Command{int existing,newCube;string dir;};
int main(){
int N;cin>>N;
vector<Command> cmds(N);
https://t.me/Code_alphix
for(int i=0;i<N;i++)cin>>cmds[i].existing>>cmds[i].newCube>>cmds[i].dir;

/* =========================================
πŸ’‘ Verified Solution πŸ’―
Question: Nidhi Construction
Contest: TCS CodeVita
Telegram Page: https://t.me/Mrtrueliving_ix
========================================= */
https://t.me/Code_alphix
int query;cin>>query;
sort(cmds.begin(),cmds.end(),[](const Command&a,const Command&b){
if(a.existing==b.existing)return a.newCube<b.newCube;
return a.existing<b.existing;
});
https://t.me/Code_alphix
map<pair<int,int>,int> grid;
map<int,pair<int,int>> pos;
pos[cmds[0].existing]={0,0};
grid[{0,0}]=cmds[0].existing;
https://t.me/Code_alphix
for(auto &cmd:cmds){
if(pos.find(cmd.existing)==pos.end())continue;
int x=pos[cmd.existing].first,y=pos[cmd.existing].second;
if(cmd.dir=="top"||cmd.dir=="up")x--;
else if(cmd.dir=="down")x++;
else if(cmd.dir=="left")y--;
else if(cmd.dir=="right")y++;
if(grid.count({x,y})){int old=grid[{x,y}];pos.erase(old);}
grid[{x,y}]=cmd.newCube;
pos[cmd.newCube]={x,y};
https://t.me/Code_alphix
}
if(pos.find(query)==pos.end()){cout<<"-1 -1 -1 -1";return 0;}
auto [x,y]=pos[query];
vector<pair<int,int>>dirs={{x-1,y},{x+1,y},{x,y-1},{x,y+1}};

https://t.me/Code_alphix
for(int i=0;i<4;i++){
if(grid.count(dirs[i]))cout<<grid[dirs[i]]<<" ";
else cout<<"-1 ";
}
return 0;
}

- @Mrtrueliving_ix @Mrtrueliving_ix
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