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Submission #71365

# Submission time Handle Problem Language Result Execution time Memory
71365 2018-08-24T12:21:34 Z tamtam Wombats (IOI13_wombats) C++14
0 / 100
 20000 ms 19172 KB 
#include "wombats.h"
#include <bits/stdc++.h>
#define F first
#define S seoncd
typedef long long ll;
using namespace std;

int r,c;
int h[5010][210];
int v[5010][210];
int dp[5010][2][3];
int en;

int Solve (int x,int y,int d){
    if (x==r-1&&y==en){
        return 0;
    }
    int &res=dp[x][y][d];
    if (res!=-1)return res;
    res=1000000000;
    if (y>0&&d!=2){
        res=min(res,Solve(x,y-1,1)+h[x][y-1]);
    }
    if (y<c-1&&d!=1){
        res=min(res,Solve(x,y+1,2)+h[x][y]);
    }
    if (x<r-1)
        res=min(res,Solve(x+1,y,0)+v[x][y]);
    return res;
}

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 l=0;l<c-1;l++){
            h[i][l]=H[i][l];
        }
    }
    for (int i=0;i<r-1;i++){
        for (int l=0;l<c;l++){
            v[i][l]=V[i][l];
        }
    }
}

void changeH(int P, int Q, int W) {
    h[P][Q]=W;
}

void changeV(int P, int Q, int W) {
    v[P][Q]=W;
}

int escape(int V1, int V2) {
    memset(dp,-1,sizeof dp);
    en=V2;
    return Solve(0,V1,0);
}
/*

3 4
0 2 5
7 1 1
0 4 0
0 0 0 2
0 3 4 7
5
3 2 1
3 3 3
2 0 0 5
1 1 1 6
3 2 1

*/

Compilation message

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

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 8824 KB Output is correct
2 Correct 63 ms 8960 KB Output is correct
3 Execution timed out 20004 ms 11356 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 11356 KB Output is correct
2 Correct 2 ms 11356 KB Output is correct
3 Correct 2 ms 11356 KB Output is correct
4 Incorrect 6 ms 11356 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 11356 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 588 ms 18356 KB Output is correct
2 Correct 465 ms 18484 KB Output is correct
3 Correct 499 ms 18484 KB Output is correct
4 Execution timed out 20037 ms 19172 KB Time limit exceeded

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 19172 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 19172 KB Output isn't correct
2 Halted 0 ms 0 KB -