Submission #586547

#	Time	Username	Problem	Language	Result	Execution time	Memory
586547		FatihSolak	Wombats (IOI13_wombats)	C++17	39 / 100	97 ms	11528 KiB

wombats

#include "wombats.h"
#include <bits/stdc++.h>
#define R 5000
#define C 20
using namespace std;
int dp[C][R][C];
int r,c;
int h[R][C];
int v[R][C];
int preh[R][C];
void build(){
    for(int i = 0;i<r;i++){
        for(int j = 0;j<c;j++){
            preh[i][j] = h[i][j] + (j == 0?0:preh[i][j-1]);
        }
    }
    for(int x = 0;x<c;x++){
        for(int i = 0;i<r;i++){
            for(int j = 0;j<c;j++){
                dp[x][i][j] = 1e9;
            }
        }
        for(int i = 0;i<c;i++){
            dp[x][0][i] = abs((x == 0?0:preh[0][x-1]) -  (i == 0?0:preh[0][i-1]));
        }
        for(int i = 0;i<r-1;i++){
            for(int j = 0;j<c;j++){
                // if(x == 2){
                //     cout << i << " " << j << " " << dp[x][i][j] << endl;
                // }
                for(int d = 0;d<c;d++){
                    int cost = v[i][j];
                    cost += abs((j == 0?0:preh[i+1][j-1]) -  (d == 0?0:preh[i+1][d-1]));
                    dp[x][i+1][d] = min(dp[x][i+1][d], dp[x][i][j] + cost);
                }
            }
        }
    }
}
void init(int r_, int c_, int h_[5000][200], int v_[5000][200]) {
    r = r_;
    c = c_;
    for(int i = 0;i<r;i++){
        for(int j = 0;j<c;j++){
            h[i][j] = h_[i][j];
            v[i][j] = v_[i][j];
        }
    }
    build();
}

void changeH(int p, int q, int w) {
    h[p][q] = w;
    build();
}

void changeV(int p, int q, int w) {
    v[p][q] = w;
    build();
}

int escape(int v1, int v2) {
    return dp[v1][r-1][v2];
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 0 / 16
• Subtask 4: 18 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24