QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#630296 | #8830. Breaking Bad | RainingLove | WA | 1ms | 3636kb | C++23 | 1.8kb | 2024-10-11 17:40:51 | 2024-10-11 17:40:51 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n;
int a[1003][1003];
vector<pair<int,int>> b[5];
int vis[5];
void solve() {
cin>>n;
for(int i=1;i<=n;i++) {
for(int j=1;j<=n;j++) {
cin>>a[i][j];
b[a[i][j]].push_back({i,j});
}
}
bitset<1003> vr,vc;
int cr=0,cc=0;
while(cr<min(n,8) || cc<min(n,8)) {
int f=0;
for(int i=0;i<5;i++) {
while(!b[i].empty() &&(vr[b[i].back().first] && vc[b[i].back().second])) b[i].pop_back();
if(b[i].empty()) continue;
if(cr<min(n,8) && !vr[b[i].back().first]) cr++,vr[b[i].back().first]=1,f=1;
if(cc<min(n,8) && !vc[b[i].back().second]) cc++,vc[b[i].back().second]=1,f=1;
}
if(!f)break;
}
vector<int> R;
vector<int> C;
vector<int> resR,resC;
for(int i=1;i<=n;i++) {
if(!vr[i] && cr<cc ) vr[i]=1,cr++;
if(!vc[i] && cc<cr ) vc[i]=1,cc++;
if(vr[i])R.push_back(i);
else resR.push_back(i);
if(vc[i])C.push_back(i);
else resC.push_back(i);
}
int base=0;
random_shuffle(resR.begin(),resR.end());
for(int i=0;i<resR.size();i++) {
base=(base+a[resR[i]][resC[i]])%5;
}
// for(auto x:R) cout<<"R "<<x<<endl;
// for(auto y:C) cout<<"C "<<y<<endl;
do {
int sum=0;
for(int i=0;i<R.size();i++) {
sum=(sum+a[R[i]][C[i]])%5;
}
vis[(base+sum)%5]=1;
} while(next_permutation(C.begin(),C.end()));
for(int i=0;i<5;i++) {
if(vis[i]) cout<<"Y";
else cout<<"N";
}
}
signed main() {
ios::sync_with_stdio(0);
cin.tie(0),cout.tie(0);
int t=1;
// cin>>t;
while(t--)
solve();
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3600kb
input:
2 0 4 4 0
output:
YNNYN
result:
ok "YNNYN"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
2 1 1 1 1
output:
NNYNN
result:
ok "NNYNN"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
4 0 0 1 0 0 1 0 1 0 0 0 0 1 1 0 0
output:
YYYYN
result:
ok "YYYYN"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
4 0 0 0 1 0 1 0 1 1 0 0 0 0 1 0 0
output:
YYYYN
result:
ok "YYYYN"
Test #5:
score: 0
Accepted
time: 1ms
memory: 3596kb
input:
10 1 4 2 0 0 2 0 1 3 3 0 3 1 4 4 1 4 0 2 2 1 4 2 0 0 2 0 1 0 3 0 3 1 4 4 1 4 0 2 2 4 2 0 3 3 0 3 4 1 1 2 0 3 1 1 3 1 2 4 4 4 2 0 3 3 0 3 4 1 1 2 0 3 1 1 3 1 2 4 4 1 4 2 0 0 2 0 1 3 3 3 1 4 2 2 4 2 3 0 0
output:
NYNNY
result:
ok "NYNNY"
Test #6:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
10 4 4 4 1 3 4 1 4 3 0 3 3 3 0 2 3 0 3 2 4 3 3 3 0 2 3 0 3 2 4 4 4 4 1 3 4 1 4 3 0 2 2 2 4 1 2 4 2 1 3 2 2 2 4 1 3 4 2 1 3 4 4 4 1 3 4 1 4 3 0 3 3 3 0 2 3 0 3 2 4 2 2 2 4 1 2 4 2 1 3 4 4 4 1 3 4 1 1 3 0
output:
YYYNY
result:
ok "YYYNY"
Test #7:
score: -100
Wrong Answer
time: 0ms
memory: 3540kb
input:
10 1 2 0 4 2 3 4 0 2 3 0 1 4 3 1 2 3 4 1 2 4 0 3 2 0 1 2 3 0 1 1 2 0 4 2 3 4 0 2 3 3 4 2 1 4 0 1 2 4 0 0 1 4 3 1 2 3 4 1 2 2 3 1 0 3 4 0 1 3 4 3 1 1 1 4 0 1 2 4 0 1 2 0 4 2 3 4 0 2 3 1 3 0 4 2 3 4 0 2 3
output:
NYYNN
result:
wrong answer 1st words differ - expected: 'NYYYY', found: 'NYYNN'