#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
typedef pair<int, int> pii;
#define all(v) v.begin(), v.end()
#define FOR(i, n) for (int i = 0; i < n; i++)
#define inf LLONG_MAX/2
#define fi first
#define se second
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")
vector<vector<pii>> adj;
vector<int> dist;
int n;
bool SSSP(int s){
dist.assign(n, inf);
dist[s] = 0;
int upd = -1;
FOR(it, n){
upd = -1;
FOR(a, n) for (auto &[b, c] : adj[a]) {
if(dist[a] == inf) continue;
if(dist[b] > dist[a] + c){
dist[b] = dist[a] + c;
upd = b;
}
}
}
if(upd != -1) return false;
else return true;
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int m; cin >> n >> m;
adj.resize(n + 2);
FOR(i, m){
int l, r, k, val; cin >> l >> r >> k >> val; r++;
if(val == 0){
adj[l].push_back({r, (r - l) - k});
}
else{
adj[r].push_back({l, k - r + l + 1});
}
}
FOR(i, n){
adj[i].push_back({i + 1, 1});
adj[i + 1].push_back({i, 0});
}
n++;
if(!SSSP(0)){
cout << -1 << endl;
}
else{
FOR(i, n-1){
if(dist[i] < dist[i + 1]) cout << "1";
else cout << "0";
cout << " \n"[i == n - 2];
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
244 ms |
1116 KB |
Output is correct |
2 |
Correct |
234 ms |
1200 KB |
Output is correct |
3 |
Correct |
240 ms |
1192 KB |
Output is correct |
4 |
Incorrect |
233 ms |
1116 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
244 ms |
1116 KB |
Output is correct |
2 |
Correct |
234 ms |
1200 KB |
Output is correct |
3 |
Correct |
240 ms |
1192 KB |
Output is correct |
4 |
Incorrect |
233 ms |
1116 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |