hdu 1241 Oil Deposits
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该题就是一个模拟题,标记,上下左右和对角线,即可 累加】
#include<stdio.h>char a[105][105];int m,n;void sou(int i,int j){ if(a[i][j]=='*') return; else if(a[i][j]=='@') { a[i][j]='*'; if(i-1>=0) sou(i-1,j); if(i-1>=0&&j+1<n) sou(i-1,j+1); if(j+1<n) sou(i,j+1); if(i+1<m&&j+1<n) sou(i+1,j+1); if(i+1<m) sou(i+1,j); if(i+1<m&&j-1>=0) sou(i+1,j-1); if(j-1>=0) sou(i,j-1); if(i-1>=0&&j-1>=0) sou(i-1,j-1); }}int main(){ int i,sum,j; while(scanf("%d%d",&m,&n)!=EOF) { if(m==0&&n==0) break; sum=0; for(i=0;i<m;i++) scanf("%s",a[i]); for(i=0;i<m;i++) for(j=0;j<n;j++) { if(a[i][j]=='@') {sou(i,j); sum++; } } printf("%d\n",sum); } return 0;}
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