View Code of Problem 120

#include<stdio.h>
bool sushu(int m){
	for(int i=2;i<(m/2+1);i++){
		if(m%i==0){
			return false;
		}
	}
	return true;
}
int main(){
	int sh,sm,eh,em,s,e,n,i,j,H,M;
	while(scanf("%d:%d %d:%d",&sh,&sm,&eh,&em)!=EOF){
		n=0;
		s=sh*60+sm;
		e=eh*60+em;
		for(i=s;s<=e;s++){
			H=s/60;
			M=s%60;
			if(sushu(H*2500+M)){
				n++;
			}
		}
		printf("%d\n",n);
	}
}

/*
Main.c:2:1: error: unknown type name 'bool'
 bool sushu(int m){
 ^
Main.c: In function 'sushu':
Main.c:5:11: error: 'false' undeclared (first use in this function)
    return false;
           ^
Main.c:5:11: note: each undeclared identifier is reported only once for each function it appears in
Main.c:8:9: error: 'true' undeclared (first use in this function)
  return true;
         ^
Main.c: In function 'main':
Main.c:11:26: warning: unused variable 'j' [-Wunused-variable]
  int sh,sm,eh,em,s,e,n,i,j,H,M;
                          ^
Main.c:11:24: warning: variable 'i' set but not used [-Wunused-but-set-variable]
  int sh,sm,eh,em,s,e,n,i,j,H,M;
                        ^
Main.c: In function 'sushu':
Main.c:9:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
*/