/in/foo.cc: In function 'int main()':
/in/foo.cc:27:19: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%d",&c[i]);
                   ^
/in/foo.cc:56:24: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d\n",f[x][y]);
                        ^