#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 2e5 + 12, MOD = (int)1e9 + 7;
const ll inf = 1e18;
ll res = inf, d[N];
int n, m;
vector<array<int, 4>> a;
bool cmp(array<int, 4> x, array<int, 4> y) {
return make_pair(x[1], x[2]) < make_pair(y[1], y[2]);
}
vector<int> g[N];
void test() {
cin >> n >> m;
a.resize(m);
for(int i = 0; i < m; i++) {
cin >> a[i][0] >> a[i][1] >> a[i][2] >> a[i][3], d[i] = inf;
}
for(int i = 0; i < m; i++) {
for(int j = 0; j < m; j++) {
if (a[i][0] <= a[j][0]) {
if (a[j][1] <= a[i][2] - (a[j][0] - a[i][0])) {
g[i].push_back(j);
}
}
if (a[i][0] >= a[j][0]) {
if (a[i][2] >= a[j][1] + (a[i][0] - a[j][0])) {
g[i].push_back(j);
}
}
}
}
set<pair<ll, int>> st;
for(int i = 0; i < m; i++) {
if(a[i][1] == 1) {
st.insert({0, i});
d[i] = a[i][3];
}
}
while(!st.empty()) {
auto [w, v] = (*st.begin());
st.erase(st.begin());
for(int to:g[v]) {
if(d[to] > d[v] + a[to][3]) {
st.erase({d[to], to});
d[to] = d[v] + a[to][3];
st.insert({d[to], to});
}
}
}
for(int i = 0; i < m; i++) if(a[i][2] == n){
res = min(res, d[i]);
}
if(res == inf) {
res = -1;
}
cout << res << '\n';
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int t = 1;
// cin >> t;
while(t--)
test();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
960 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4956 KB |
Output is correct |
2 |
Incorrect |
2 ms |
4960 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4956 KB |
Output is correct |
2 |
Incorrect |
2 ms |
4960 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
960 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |