#include <bits/stdc++.h>
// #include "prison.h"
// #pragma GCC optimize("Ofast")
// #pragma GCC target("avx2")
// #pragma GCC target("popcnt")
using namespace std;
using ll = long long;
using ull = unsigned long long;
using lld = long double;
using vi = vector<int>;
using vll = vector<ll>;
using ii = pair<int,int>;
using pll = pair<ll, ll>;
using vii = vector<ii>;
using vpll = vector<pll>;
#define endl '\n'
#define all(x) x.begin(),x.end()
#define lsb(x) x&(-x)
#define gcd(a,b) __gcd(a,b)
#define sz(x) (int)x.size()
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define fls cout.flush()
#define fore(i,l,r) for(auto i=l;i<r;i++)
#define fo(i,n) fore(i,0,n)
#define forex(i,r,l) for(auto i=r; i>=l;i--)
#define ffo(i,n) forex(i,n-1,0)
bool cmin(int &a, int b){if(b<a){a=b;return 1;}return 0;}
bool cmax(int &a, int b){if(b>a){a=b;return 1;}return 0;}
void valid(ll in){cout<<((in)?"YES\n":"NO\n");}
ll lcm(ll a, ll b){return (a/gcd(a,b))*b;}
ll gauss(ll n){return (n*(n+1))/2;}
const int N = 3000;
ll dp[N][N][3];
ll max_weights(int n,int m,vi x,vi y,vi w) {
vector<vll> arr(n+4, vll(n+4, 0)), pf(n+4, vll(n+4, 0));
fo(i, m) x[i]++, y[i]++;
fo(i, m) arr[x[i]][y[i]] = w[i];
fore(i, 1, n+1) {
fore(j, 1, n+1) {
pf[i][j] = (i ? pf[i][j-1] : 0) + arr[i][j];
}
}
auto gets = [&](int i,int l,int r) {
if(l > r) return 0ll;
assert(l >= 1);
return pf[i][r] - pf[i][l-1];
};
ll ans = 0;
fore(i, 2, n+1) {
fo(c, n+1) {
fo(d, n+1) {
dp[i][c][0] = max({dp[i][c][0], dp[i-1][d][0], dp[i-1][d][1] + gets(i-1, 1, c) - gets(i-1, 1, d), dp[i-1][d][2]});
dp[i][c][1] = max({dp[i][c][1], dp[i-1][d][0], dp[i-1][d][1] + gets(i-1, 1, c) - gets(i-1, 1, d), dp[i-1][d][2]});
ll s = gets(i, 1, d) - gets(i, 1, c);
dp[i][c][2] = max({dp[i][c][2] - s, dp[i-1][d][0], dp[i-1][d][1] + gets(i-1, 1, c) - gets(i-1, 1, d), dp[i-1][d][2]}) + s;
}
assert(dp[i][c][0] == dp[i][c][1]);
ans = max(ans, max(dp[i][c][2], dp[i][c][0]));
}
}
return ans;
}
// void test_case() {
// int n, m;
// cin >> n >> m;
// vi x(m), y(m), w(m);
// fo(i, m) cin >> x[i] >> y[i] >> w[i];
// cout << max_weights(n, m, x, y, w) << '\n';
// }
// int main(){cin.tie(0)->sync_with_stdio(0);
// int t=1;
// // cin >> t;
// while(t--)test_case();
// }
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
808 ms |
2097152 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Runtime error |
819 ms |
2097152 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
804 ms |
2097152 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
20 ms |
1884 KB |
Output is correct |
10 |
Correct |
153 ms |
5120 KB |
Output is correct |
11 |
Correct |
20 ms |
1884 KB |
Output is correct |
12 |
Correct |
161 ms |
5220 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
153 ms |
5048 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
20 ms |
1884 KB |
Output is correct |
10 |
Correct |
153 ms |
5120 KB |
Output is correct |
11 |
Correct |
20 ms |
1884 KB |
Output is correct |
12 |
Correct |
161 ms |
5220 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
153 ms |
5048 KB |
Output is correct |
15 |
Correct |
152 ms |
5200 KB |
Output is correct |
16 |
Correct |
3 ms |
856 KB |
Output is correct |
17 |
Correct |
169 ms |
6864 KB |
Output is correct |
18 |
Correct |
160 ms |
6996 KB |
Output is correct |
19 |
Correct |
161 ms |
7016 KB |
Output is correct |
20 |
Correct |
162 ms |
6840 KB |
Output is correct |
21 |
Correct |
161 ms |
6996 KB |
Output is correct |
22 |
Correct |
168 ms |
8784 KB |
Output is correct |
23 |
Correct |
151 ms |
5428 KB |
Output is correct |
24 |
Correct |
158 ms |
6356 KB |
Output is correct |
25 |
Correct |
153 ms |
5092 KB |
Output is correct |
26 |
Correct |
153 ms |
5460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
20 ms |
1884 KB |
Output is correct |
10 |
Correct |
153 ms |
5120 KB |
Output is correct |
11 |
Correct |
20 ms |
1884 KB |
Output is correct |
12 |
Correct |
161 ms |
5220 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
153 ms |
5048 KB |
Output is correct |
15 |
Correct |
152 ms |
5200 KB |
Output is correct |
16 |
Correct |
3 ms |
856 KB |
Output is correct |
17 |
Correct |
169 ms |
6864 KB |
Output is correct |
18 |
Correct |
160 ms |
6996 KB |
Output is correct |
19 |
Correct |
161 ms |
7016 KB |
Output is correct |
20 |
Correct |
162 ms |
6840 KB |
Output is correct |
21 |
Correct |
161 ms |
6996 KB |
Output is correct |
22 |
Correct |
168 ms |
8784 KB |
Output is correct |
23 |
Correct |
151 ms |
5428 KB |
Output is correct |
24 |
Correct |
158 ms |
6356 KB |
Output is correct |
25 |
Correct |
153 ms |
5092 KB |
Output is correct |
26 |
Correct |
153 ms |
5460 KB |
Output is correct |
27 |
Execution timed out |
1070 ms |
143348 KB |
Time limit exceeded |
28 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
804 ms |
2097152 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
808 ms |
2097152 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |