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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#377358 | #7995. 图 | Dva | WA | 1ms | 7708kb | C++14 | 2.4kb | 2024-04-05 12:50:22 | 2024-04-05 12:50:22 |
Judging History
answer
#pragma GCC optimize(3)
#include <bits/stdc++.h>
#define f(i, n, m) for (long long i = n; i <= m; ++i)
#define unf(i, n, m) for (long long i = n; i >= m; --i)
#define kong NULL
#define debug cout << "sss" << endl;
using ll = long long;
using ull = unsigned long long;
using point_t = double; // 计算几何的默认类型
const double e = exp(1.0);
const double pi = acos(-1.0);
constexpr ll inf = 0x3f3f3f3f3f3f3f3f;
constexpr ll maxx = 0x3f3f3f3f3f3f3f3f;
constexpr ll minn = 0xc0c0c0c0c0c0c0c0;
#define endl '\n'
constexpr char blank = ' ';
constexpr ll mod = (ll)998244353;
constexpr size_t N = (size_t)1e6 + 6;
#ifdef _DEBUG
#define Crash(...) (__debugbreak(), 0)
#define Debug(...) (__debugbreak(), 0)
#else
#define Crash(...) (exit(-1), 0)
#define Debug(...) ((void)0)
#endif // _DEBUG
#define ensure(expression) (void)(!!(expression) || Crash())
inline void setaccuracy(const std::streamsize &accuracy) {
std::cout << std::fixed << std::setprecision(accuracy);
}
#define int long long
using namespace std;
int n;
int mp[510][510];
int dp[510][510];
int dp2[510][510];
void bfs(int x,int fa,int wo){
vector<int>check(510,0);
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>>que;
que.push({0,x});
while(!que.empty()){
auto it=que.top();
que.pop();
if(check[it.second])continue;
check[it.second]=1;
f(i,1,n){
if(i==it.second)continue;
if(it.first+mp[it.second][i]<dp[wo][i]){
dp[wo][i]=it.first+mp[it.second][i];
que.push({dp[wo][i],i});
}
}
}
}
void solve() {
cin>>n;
f(i,1,n){
f(j,1,n){
cin>>mp[i][j];
dp[i][j]=maxx;
}
}
f(i,1,n)bfs(i,0,i);
int cnt=0;
f(i,1,n){
f(j,1,n){
if(i==j){dp2[i][j]=0;
continue;
}
int ff=0;
f(k,1,n){
if(k==i||k==j)continue;
if(dp[i][k]+dp[k][j]<=mp[i][j]){
dp2[i][j]=0;
ff=1;
continue;
}
}
if(ff==0)dp2[i][j]=1;
}
cout<<endl;
}
f(i,1,n){
f(j,1,n)cout<<dp2[i][j];
if(i!=n)cout<<endl;
}
// std::cout<< minn<<endl;
}
signed main() {
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout.tie(nullptr);
int T = 1;
// cin >> T;
// scanf(" %d", &T);
// std::cin >> T;
// for (int q = 1; q <= T; q++) {
// while (T--) {
solve();
// }
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 7708kb
input:
4 0 3 2 100 3 0 8 100 2 8 0 10 100 100 10 0
output:
0110 1000 1001 0010
result:
wrong answer 1st lines differ - expected: '0110', found: ''