Submission #1645803

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Source Code Expand

#include <algorithm>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <queue>
#include <cstdio>
#include <cmath>
#define RG register
#define il inline
#define iter iterator
#define Max(a,b) ((a)>(b)?(a):(b))
#define Min(a,b) ((a)<(b)?(a):(b))
using namespace std;
typedef long long ll;
const int N=100005;
int n,m;
struct node{
	int x,y;
}a[N];
ll ans=0;
void work()
{
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++){
		scanf("%d%d",&a[i].x,&a[i].y);
	}
	ll tot=0,li=0;m++;
	for(int i=30;i>=0;i--){
		if(m&(1<<i)){
			li^=(1<<i);tot=0;
			for(int j=1;j<=n;j++)
				if((a[j].x&li)==0)tot+=a[j].y;
		   ans=Max(tot,ans);
			li^=(1<<i);
		}
		else li^=(1<<i);
	}
	printf("%lld\n",ans);
}

int main()
{
	work();
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void work()’:
./Main.cpp:23:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:25:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&a[i].x,&a[i].y);
                                ^

Judge Result