Main.cc: In function ‘int main()’:
Main.cc:19:13: warning: unused variable ‘s’ [-Wunused-variable]
int s=0;
^
Main.cc:22:22: error: ‘y’ was not declared in this scope
for(int b=j;b>=y;b--){
^
Main.cc:23:8: error: ‘s’ was not declared in this scope
s+=a1[a][b];
^
Main.cc:26:9: error: ‘s’ was not declared in this scope
if(s==0){
^
Main.cc:27:22: error: ‘y’ was not declared in this scope
tmp=(i-x+1)*(j-y+1);
^
Main.cc: At global scope:
Main.cc:34:2: error: ‘cout’ does not name a type; did you mean ‘cosl’?
cout<