/*
File created on 05/26/2021 at 16:37:53.
Link to problem: https://oj.uz/problem/view/RMI19_restore
Description: sp in negative graph
Time complexity: O(N(N+M))
Space complexity: O(N^2+M)
Status: DEV
Copyright: Ⓒ 2021 Francois Vogel
*/
#include <iostream>
#include <cmath>
#include <vector>
#include <bitset>
#include <queue>
#include <cstring>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <algorithm>
using namespace std;
#define pii pair<int, int>
#define f first
#define s second
#define ll long long
const int inf = 1e9;
signed main() {
cin.tie(0);
// ios_base::sync_with_stdio(0);
int n, nbReq;
cin >> n >> nbReq;
map<pii, int> edges;
for (int i = 0; i < n; i++) {
edges[pii(i+1, i)] = 0;
}
for (int i = 0; i < nbReq; i++) {
int l, r, k, v;
cin >> l >> r >> k >> v;
l++;
r++;
if (v == 0) {
int assign = (r-l+1)-k;
if (edges.find(pii(r, l-1)) == edges.end()) edges[pii(r, l-1)] = assign;
else edges[pii(r, l-1)] = min(edges[pii(r, l-1)], assign);
}
else {
int assign = -k;
if (edges.find(pii(l-1, r)) == edges.end()) edges[pii(l-1, r)] = assign;
else edges[pii(l-1, r)] = min(edges[pii(l-1, r)], assign);
}
}
int dist [n+1];
for (int i = 0; i < n; i++) dist[i] = inf;
dist[n-1] = 0;
for (auto e : edges) cout << e.f.f << " " << e.f.s << " " << e.s << endl;
for (int _ = 0; _ < n+1; _++) {
for (auto e : edges) {
dist[e.f.s] = min(dist[e.f.s], dist[e.f.f]+-e.s);
}
}
for (int i = 0; i < n; i++) {
if (dist[i+1]-dist[i] == 0) {
cout << 0;
}
else {
cout << 1;
}
cout << " ";
}
int d = 0;
d++;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Integer 2 violates the range [-1, 1] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1089 ms |
1236 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1089 ms |
1236 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Integer 2 violates the range [-1, 1] |
2 |
Halted |
0 ms |
0 KB |
- |