Submission #2543212


Source Code Expand

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <deque>
#include <iterator>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include <cmath>
#include <cstring>

using namespace std;

#define REPI(x) for(int i=0;i<x;i++)
#define REPJ(x) for(int j=0;j<x;j++)
#define SCANFD(x) scanf("%d",&x)

int H,W;
int cost[50][50];
char fld[50][51];
int xd[4] = {0,1,0,-1};
int yd[4] = {-1,0,1,0};

int check(int y,int x){
    REPI(4){
        if(x+xd[i]<0 || y+yd[i]<0 || y+yd[i]>=H || x+xd[i]>=W ){
            continue;
        }else if(fld[y+yd[i]][x+xd[i]] == '#'){
            continue;
        }else if(cost[y+yd[i]][x+xd[i]] > cost[y][x]+1 || cost[y+yd[i]][x+xd[i]] == -1){
            cost[y+yd[i]][x+xd[i]] = cost[y][x] + 1;
            check(y+yd[i],x+xd[i]);
        }
    }
    return 0;
}

int main(){
    int res,blk=0;
    char buf;

    REPI(50){
        REPJ(50){
            cost[i][j] = -1;
        }
    }

    scanf("%d %d",&H,&W);
    scanf("%c",&buf);

    REPI(H){
        fgets(fld[i],52,stdin);
    }
    
    cost[0][0] = 1;
    check(0,0);

    REPI(H){
        REPJ(W){
            if(fld[i][j] == '#')
                blk++;            
        }
    }
    
    res = H*W - blk - cost[H-1][W-1];

    printf("%d\n",res);

    return 0;
}

Submission Info

Submission Time
Task D - Grid Repainting
User mosha1822
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1437 Byte
Status WA
Exec Time 27 ms
Memory 384 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:53:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&H,&W);
                         ^
./Main.cpp:54:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%c",&buf);
                     ^
./Main.cpp:57:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
         fgets(fld[i],52,stdin);
                               ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 2
AC × 18
WA × 2
Set Name Test Cases
Sample s1.txt, s2.txt
All in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
in01.txt AC 1 ms 256 KB
in02.txt WA 1 ms 256 KB
in03.txt AC 1 ms 256 KB
in04.txt AC 1 ms 256 KB
in05.txt AC 1 ms 256 KB
in06.txt AC 1 ms 256 KB
in07.txt AC 1 ms 256 KB
in08.txt WA 1 ms 256 KB
in09.txt AC 1 ms 256 KB
in10.txt AC 1 ms 256 KB
in11.txt AC 1 ms 256 KB
in12.txt AC 1 ms 256 KB
in13.txt AC 1 ms 256 KB
in14.txt AC 1 ms 256 KB
in15.txt AC 16 ms 384 KB
in16.txt AC 27 ms 384 KB
in17.txt AC 16 ms 384 KB
in18.txt AC 16 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB