// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#include<bits/stdc++.h>
using namespace std;
#define i64 long long
#define mp make_pair
#define pb push_back
#define all(x) (x).begin(), (x).end()
const int MAXN = 2e5 + 10;
const i64 INF = 1e18;
void Solve(void) {
int N, M; cin >> N >> M;
vector<array<int, 3>> edges;
for (int i = 1; i <= N; i ++) {
edges.pb({i, i - 1, 0});
edges.pb({i - 1, i, 1});
}
for (int i = 0; i < M; i ++) {
int l, r, k, v; cin >> l >> r >> k >> v;
r ++;
if (v == 0) edges.pb({r, l, -k});
else edges.pb({l, r, k - 1});
}
// Add new vertex N + 1 to the graph -> cnt[i] = shortest path from N + 1 to i;
vector<i64> d(N + 5, INF); d[0] = 0;
int x = -1;
for (int i = 0; i < N; i ++) {
x = -1;
for (auto [u, v, w] : edges) {
// cout << u << " " << v << " " << w << "\n";
if (d[u] < INF) {
if (d[u] + w < d[v]) {
x = v;
d[v] = max(-INF, d[u] + w);
}
}
}
}
if (x != -1) {
cout << -1 << "\n";
return;
}
for (int i = 1; i <= N; i ++) {
// cout << d[i] << " ";
cout << (d[i] > d[i - 1] ? 0 : 1) << " ";
}
}
signed main() {
ios_base::sync_with_stdio(false); cin.tie(0);
cout << fixed << setprecision(10);
int Tests = 1; // cin >> Tests;
while (Tests --) {
Solve();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
96 ms |
1052 KB |
Output is correct |
2 |
Correct |
97 ms |
1052 KB |
Output is correct |
3 |
Correct |
97 ms |
1048 KB |
Output is correct |
4 |
Correct |
99 ms |
1048 KB |
Output is correct |
5 |
Correct |
447 ms |
1052 KB |
Output is correct |
6 |
Correct |
384 ms |
1052 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
96 ms |
1052 KB |
Output is correct |
2 |
Correct |
97 ms |
1052 KB |
Output is correct |
3 |
Correct |
97 ms |
1048 KB |
Output is correct |
4 |
Correct |
99 ms |
1048 KB |
Output is correct |
5 |
Correct |
447 ms |
1052 KB |
Output is correct |
6 |
Correct |
384 ms |
1052 KB |
Output is correct |
7 |
Correct |
101 ms |
1052 KB |
Output is correct |
8 |
Correct |
101 ms |
1052 KB |
Output is correct |
9 |
Correct |
99 ms |
1052 KB |
Output is correct |
10 |
Correct |
98 ms |
1308 KB |
Output is correct |
11 |
Correct |
202 ms |
1052 KB |
Output is correct |
12 |
Correct |
138 ms |
1052 KB |
Output is correct |
13 |
Correct |
99 ms |
1052 KB |
Output is correct |
14 |
Correct |
103 ms |
1048 KB |
Output is correct |
15 |
Correct |
109 ms |
1048 KB |
Output is correct |
16 |
Correct |
103 ms |
1052 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
96 ms |
1052 KB |
Output is correct |
12 |
Correct |
97 ms |
1052 KB |
Output is correct |
13 |
Correct |
97 ms |
1048 KB |
Output is correct |
14 |
Correct |
99 ms |
1048 KB |
Output is correct |
15 |
Correct |
447 ms |
1052 KB |
Output is correct |
16 |
Correct |
384 ms |
1052 KB |
Output is correct |
17 |
Correct |
101 ms |
1052 KB |
Output is correct |
18 |
Correct |
101 ms |
1052 KB |
Output is correct |
19 |
Correct |
99 ms |
1052 KB |
Output is correct |
20 |
Correct |
98 ms |
1308 KB |
Output is correct |
21 |
Correct |
202 ms |
1052 KB |
Output is correct |
22 |
Correct |
138 ms |
1052 KB |
Output is correct |
23 |
Correct |
99 ms |
1052 KB |
Output is correct |
24 |
Correct |
103 ms |
1048 KB |
Output is correct |
25 |
Correct |
109 ms |
1048 KB |
Output is correct |
26 |
Correct |
103 ms |
1052 KB |
Output is correct |
27 |
Correct |
97 ms |
1052 KB |
Output is correct |
28 |
Correct |
110 ms |
1052 KB |
Output is correct |
29 |
Correct |
98 ms |
1048 KB |
Output is correct |
30 |
Correct |
100 ms |
1052 KB |
Output is correct |
31 |
Correct |
95 ms |
1052 KB |
Output is correct |
32 |
Correct |
98 ms |
1096 KB |
Output is correct |
33 |
Correct |
237 ms |
1052 KB |
Output is correct |
34 |
Correct |
323 ms |
1048 KB |
Output is correct |
35 |
Correct |
99 ms |
1052 KB |
Output is correct |
36 |
Correct |
98 ms |
1052 KB |
Output is correct |