Compilare: main.cpp: In function 'int main()': main.cpp:8:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("grea.in","r",stdin); ^ main.cpp:9:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("grea.out","w",stdout); ^ main.cpp:10:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ main.cpp:14:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf(" %c",&a[i][j]); ^ main.cpp:25:33: warning: array subscript is above array bounds [-Warray-bounds] ans[1][i]=min(ans[2][i-k]+1,ans[1][i-1]+1); ~~~~~^ main.cpp:26:22: warning: array subscript is above array bounds [-Warray-bounds] if(poz[2][i-1]>=i-k) ~~~~~^ main.cpp:27:44: warning: array subscript is above array bounds [-Warray-bounds] ans[1][i]=min(ans[1][i],ans[2][poz[2][i-1]]+1); ~~~~~^ main.cpp:31:22: warning: array subscript is above array bounds [-Warray-bounds] if(poz[2][i-1]>=i-k) ~~~~~^ main.cpp:32:44: warning: array subscript is above array bounds [-Warray-bounds] ans[1][i]=min(ans[1][i],ans[2][poz[2][i-1]]+1); ~~~~~^ main.cpp:35:15: warning: array subscript is above array bounds [-Warray-bounds] if(a[2][j]=='0') ~~~^ main.cpp:39:50: warning: array subscript is above array bounds [-Warray-bounds] ans[2][j]=min(ans[1][j-k]+1,ans[2][j-1]+1); ~~~~~^ main.cpp:39:22: warning: array subscript is above array bounds [-Warray-bounds] ans[2][j]=min(ans[1][j-k]+1,ans[2][j-1]+1); ~~~~~^ main.cpp:41:23: warning: array subscript is above array bounds [-Warray-bounds] ans[2][j]=min(ans[2][j],ans[1][poz[1][j-1]]+1); ~~~~~^ main.cpp:44:29: warning: array subscript is above array bounds [-Warray-bounds] ans[2][j]=ans[2][j-1]+1; ~~~~~^ main.cpp:44:19: warning: array subscript is above array bounds [-Warray-bounds] ans[2][j]=ans[2][j-1]+1; ~~~~~^ main.cpp:46:19: warning: array subscript is above array bounds [-Warray-bounds] ans[2][j]=min(ans[2][j],ans[1][poz[1][j-1]]+1); ~~~~~^ main.cpp:52:22: warning: array subscript is above array bounds [-Warray-bounds]