#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, dp[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]);
}
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];
}
sort(a.begin(), a.end(), cmp);
for(int i = 0; i < m; i++) {
dp[i] = inf;
}
for(int i = 0; i < m && a[i][1] == 1; i++) {
dp[i] = 0;
}
for(int i = 0; i < m; i++) {
dp[i] += a[i][3];
if(a[i][2] == n) {
res = min(res, dp[i]);
}
for(int j = i + 1; j < m; j++) {
ll inter = a[i][2] - a[j][1] + 1, val = abs(a[i][0] - a[j][0]);
if(inter >= val) {
dp[j] = min(dp[j], dp[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;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3025 ms |
5968 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
464 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
464 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3025 ms |
5968 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |