Submission #829264

#	Time	Username	Problem	Language	Result	Execution time	Memory
829264		tolbi	Prisoner Challenge (IOI22_prison)	C++17	Compilation error	0 ms	0 KiB

prison

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#include "fish.h"

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
    vector<vector<ll>> grid(N,vector<ll>(N,0));
    for (int i = 0; i < M; ++i)
    {
        grid[X[i]][Y[i]]=W[i];
    }
    vector<vector<vector<ll>>> dp(N,vector<vector<ll>>(N,vector<ll>(3,-1)));
    //0 decreasing
    //1 increasing
    //2 increasing, \
    but forbidden to profit from back
    function<ll(int,int,int)> f;
    f = [&](int x, int y, int flag)->int{
        if (dp[x][y][flag]!=-1) return dp[x][y][flag];
        if (flag==1){
            dp[x][y][flag]=0;
            if (y+1<N){
                ll crr = 0;
                if (x>0) crr = grid[x-1][y+1];
                dp[x][y][flag]=crr+f(x,y+1,1);
            }
            if (x+1<N){
                dp[x][y][flag]=max(dp[x][y][flag],f(x+1,y,1));
                dp[x][y][flag]=max(dp[x][y][flag],f(x+1,y,0));
            }
        }
        else if (flag==0){
            dp[x][y][flag]=0;
            if (y-1>=0){
                dp[x][y][flag]=grid[x][y]+f(x,y-1,0);
            }
            if (x+1<N){
                dp[x][y][flag]=max(dp[x][y][flag],f(x+1,y,0));
                if (y==0){
                    dp[x][y][flag]=max(dp[x][y][flag],f(x+1,y,2));
                }
            }
        }
        else {
            dp[x][y][flag]=0;
            if (y+1<N){
                dp[x][y][flag]=f(x,y+1,2);
            }
            if (x+1<N){
                dp[x][y][flag]=max(dp[x][y][flag],f(x+1,y,1));
                dp[x][y][flag]=max(dp[x][y][flag],f(x+1,y,0));
            }
        }
        return dp[x][y][flag];
    };
    return f(0,0,2);
}

Compilation message (stderr)

prison.cpp:4:10: fatal error: fish.h: No such file or directory
    4 | #include "fish.h"
      |          ^~~~~~~~
compilation terminated.