#include "fish.h"
#include <bits/stdc++.h>
#define int long long
using namespace std;
map<pair<int,int>, int> a;
vector<vector<int>> fsh;
vector<vector<int>> prfx;
map<pair<int,pair<int,int>>, int> memo;
int N,M;
int dp(int x, int last, int big){
if(memo.find({x,{last,big}})!=memo.end()) return memo[{x,{last,big}}];
if(x==N) return 0;
memo[{x,{last,big}}] = 0;
for (auto i:fsh[x])
{
int c=0;
if(i==0){
if(last<=0) c=dp(x+1, 0, 1);
else if(last>0) c=dp(x+1,(-last), 1);
} else if(i>=abs(last)) {
if(big==0) break;
c=dp(x+1, i, 1);
}else if(i<abs(last)){
c=dp(x+1, i, 0);
}
if(x>0) {
if(last>=0) {
//for (int y = last; y < i; y++) c+=a[{x-1,y}];
if(abs(last)<i&&i>0) c+=prfx[x-1][i-1]-prfx[x-1][abs(last)];
for (int y = i; y < last; y++) c+=a[{x,y}];
}else{
for (int y = abs(last); y < i; y++) c+=a[{x-1,y}];
}
}
memo[{x,{last,big}}]=max(c, memo[{x,{last,big}}]);
}
return memo[{x,{last,big}}];
}
long long max_weights(signed n, signed m, std::vector<signed> X, std::vector<signed> Y, std::vector<signed> W) {
N=n; M=m;
fsh.resize(N+1, vector<int>(1,0));
prfx.resize(N+1, vector<int>(N+1,0));
for (int i = 0; i < M; i++){
a[{X[i],Y[i]}] = W[i];
fsh[X[i]+1].push_back(Y[i]+1);
if(X[i]>0) fsh[X[i]-1].push_back(Y[i]+1);
}
for (int i = 0; i < N; i++) sort(fsh[i].begin(),fsh[i].end());
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
{
prfx[i][j]=a[{i,j}];
if(j>0) prfx[i][j]+=prfx[i][j-1];
}
}
int p=dp(0,0,1);
return p;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1092 ms |
2097152 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 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 |
820 ms |
2097152 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 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 |
0 ms |
344 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 |
0 ms |
344 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 |
820 ms |
2097152 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1092 ms |
2097152 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |