#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<int, pii> piii;
typedef pair<ll, ll> pll;
typedef pair<ll, pll> plll;
#define fi first
#define se second
const int INF = 1e9+1;
const int P = 1000000007;
const ll LLINF = (ll)1e18+1;
template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v) { for(auto i : v) os << i << " "; os << "\n"; return os; }
template <typename T1, typename T2>
ostream& operator<<(ostream& os, const pair<T1, T2>& p) { os << p.fi << " " << p.se; return os; }
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<vvll> vvvll;
ll pre(int x, int s, int e, vvll &B) {
if(x < 0 || x >= B.size()) return 0LL;
return B[x][e] - B[x][s];
}
vll maxpre(int i, vvvll &D) {
vll T(D[i-1].size(), 0LL);
for(int j = 0; j < D[i-1].size(); j++)
for(int k = 0; k <= j; k++)
T[j] = max(T[j], D[i-1][j][k]);
return T;
}
vll maxall(int i, vvvll &D) {
vll T(D[i-1].size(), 0LL);
for(int j = 0; j < D[i-1].size(); j++)
for(int k = 0; k < D[i-1][j].size(); k++)
T[j] = max(T[j], D[i-1][j][k]);
return T;
}
ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
int MX = 1+*max_element(X.begin(), X.end());
int MY = 1+*max_element(Y.begin(), Y.end());
vvll A(MX, vll(MY, 0LL));
for(int i = 0; i < M; i++) A[X[i]][Y[i]] += W[i];
vvll B(MX, vll(MY+1, 0LL));
for(int i = 0; i < MX; i++)
for(int j = 1; j <= MY; j++)
B[i][j] = B[i][j-1]+A[i][j-1];
vvvll D(MX, vvll(MY+1, vll(MY+1, 0LL)));
for(int j = 0; j <= MY; j++) {
for(int k = 0; k <= MY; k++) {
if(j > k) D[1][j][k] = pre(2, 0, j, B)+pre(0, k, j, B);
else D[1][j][k] = pre(2, 0, j, B)+pre(1, j, k, B);
}
}
for(int i = 2; i < MX; i++) {
vll MP = maxpre(i, D), MA = maxall(i, D);
for(int j = 0; j <= MY; j++) {
for(int k = 0; k <= MY; k++) {
if(j > k) D[i][j][k] = MP[k]-pre(i, 0, k, B)+pre(i+1, 0, j, B)+pre(i-1, k, j, B);
else D[i][j][k] = MA[k]-pre(i, 0, j, B)+pre(i+1, 0, j, B);
}
}
}
ll ans = 0LL;
for(int i = 0; i <= MY; i++)
for(int j = 0; j <= MY; j++)
ans = max(ans, D.back()[i][j]);
return ans;
}
Compilation message
fish.cpp: In function 'll pre(int, int, int, vvll&)':
fish.cpp:24:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | if(x < 0 || x >= B.size()) return 0LL;
| ~~^~~~~~~~~~~
fish.cpp: In function 'vll maxpre(int, vvvll&)':
fish.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | for(int j = 0; j < D[i-1].size(); j++)
| ~~^~~~~~~~~~~~~~~
fish.cpp: In function 'vll maxall(int, vvvll&)':
fish.cpp:38:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | for(int j = 0; j < D[i-1].size(); j++)
| ~~^~~~~~~~~~~~~~~
fish.cpp:39:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for(int k = 0; k < D[i-1][j].size(); k++)
| ~~^~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
771 ms |
2097152 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
212 KB |
1st lines differ - on the 1st token, expected: '2', found: '1' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
1st lines differ - on the 1st token, expected: '3', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
1st lines differ - on the 1st token, expected: '3', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
1st lines differ - on the 1st token, expected: '3', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
771 ms |
2097152 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
