# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
873632 |
2023-11-15T12:08:31 Z |
vjudge1 |
Ronald (COCI17_ronald) |
C++17 |
|
3 ms |
604 KB |
#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3")
#define tof_io ios_base::sync_with_stdio(false);cin.tie(0) , cout.tie(0);
#define double long double
#define int long long
#define pb push_back
#define all(x) x.begin(),x.end()
#define endl '\n'
#define sz(x) x.size()
//const int mod = 998244353; //998244353 1e9+7 1e9+9
const int N = 5e3 + 23;
const int lg = 23;
const int inf = 2e18;
int fac[N];
int inv[N];
double cnt1 = 0.0;
//int dnt_pow (int a, int b, int md = mod){int ans = 1; while(b){if(b&1){ans = (a*ans)%md;}a = (a*a)%md;b >>= 1;}return ans ;}
//void dnt_bld (){fac[0] = 1; inv[0] = dnt_pow(fac[0],mod-2) ;for(int i = 1 ; i < N ; i++) {fac[i] = (fac[i-1] * i) % mod;inv[i] = dnt_pow( fac[i] , mod-2);}}
//int dnt_ncr (int r,int n){if(r>n) return 0; return fac[n] * inv[r] % mod * inv[n-r] % mod;}
int32_t main()
{
int n;
cin >> n;
int m;
cin >> m;
vector<vector<int>> vc(n);
for (int i = 0; i < n; i++)
{
vc[i].assign(n, 1);
vc[i][i] = 0;
}
while (m--)
{
int u, v;
cin >> u >> v;
vc[u-1][v-1] = 0;
vc[v-1][u-1] = 0;
}
//
bool fl1 = 1;
bool fl2 = 1;
int val[vc.size()];
for (int i = 0; i < vc.size(); i++)
{
val[i] = vc[0][i] ^ 0;
}
for (int i = 0; i < vc.size(); i++)
{
for (int j = 0; j < vc.size(); j++)
{
if (vc[i][j] != (val[i] ^ val[j]))
{
fl1 = 0;
}
}
}
val[vc.size()];
for (int i = 0; i <vc.size(); i++)
{
val[i] = vc[0][i] ^ 1;
}
for (int i = 0; i < vc.size(); i++)
{
for (int j = 0; j < vc.size(); j++)
{
if (vc[i][j] != (val[i] ^ val[j]))
{
fl2 = 0;
}
}
}
//
if(fl1 or fl2) cout <<"NE";
else cout <<"DA";
}
Compilation message
ronald.cpp: In function 'int32_t main()':
ronald.cpp:47:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
47 | for (int i = 0; i < vc.size(); i++)
| ~~^~~~~~~~~~~
ronald.cpp:51:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | for (int i = 0; i < vc.size(); i++)
| ~~^~~~~~~~~~~
ronald.cpp:53:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for (int j = 0; j < vc.size(); j++)
| ~~^~~~~~~~~~~
ronald.cpp:62:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
62 | for (int i = 0; i <vc.size(); i++)
| ~~^~~~~~~~~~
ronald.cpp:66:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
66 | for (int i = 0; i < vc.size(); i++)
| ~~^~~~~~~~~~~
ronald.cpp:68:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
68 | for (int j = 0; j < vc.size(); j++)
| ~~^~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |