提出 #460183

---

ソースコード 拡げる

#include<stdio.h>

int main(void){

  int M,N;
  scanf("%d%d",&M,&N);

  int A[70][70];
  int B[70][70];

  int i,j;

  for(i=0;i<M;i++){
    for(j=0;j<N;j++){
      scanf("%d",&A[i][j]);
    }
  }

  for(i=0;i<M;i++){
    for(j=0;j<N;j++){
      scanf("%d",&B[i][j]);
    }
  }

  int count=0;
  for(i=0;i<M;i++){
    for(j=0;j<N;j++){
      if(A[i][j]!=B[i][j]){
        //swap test
        if(j+1<N         && A[i][j+1]!=B[i][j+1] && A[i][j]!=A[i][j+1]){
          A[i][j+1]=B[i][j+1];
        } else if (i+1<M && A[i+1][j]!=B[i+1][j] && A[i][j]!=A[i+1][j]){
          A[i+1][j]=B[i+1][j];
        }
        A[i][j]=B[i][j];
        count++;
      }
    }
  }
  printf("%d\n",count);

  return 0;
}

提出情報

コンパイルエラー

./Main.c: In function ‘main’:
./Main.c:6:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&M,&N);
   ^
./Main.c:15:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d",&A[i][j]);
       ^
./Main.c:21:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d",&B[i][j]);
       ^

ジャッジ結果