Submission #1114672

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Source Code Expand

#include<cctype>
#include<cstdio>
#include<algorithm>
#include<cstring>
#define REP(a,b,c) for(int a=b;a<=c;++a)
#define RREP(a,b,c) for(int a=b;a>=c;--a)
#define LL long long
using namespace std;

template<class T> inline
void read(T &x) {
	x=0; char c=getchar(); while(!isdigit(c)) c=getchar();
	while(isdigit(c)) {x=x*10+c-'0'; c=getchar();}
}


int main() {
	LL a,b;
	scanf("%lld%lld",&a,&b);
	if(a+a>b) printf("%lld\n",b>>1);
	else printf("%lld\n",a+(b-a-a)/4);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld",&a,&b);
                         ^

Judge Result