Submission #3420969

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn = 1e5+10;
int a[maxn],b[maxn];
int main()
{
    int n,k;
    scanf("%d%d",&n,&k);
    int res=0;
    for(int i=0;i<n;i++){
        scanf("%d%d",&a[i],&b[i]);
        if((a[i]&k)==a[i])  res+=b[i];
    }
    for(int i=30;i>=0;i--){
        int tmp=1<<i;
        if(k&tmp){
            int f=(k^tmp)|(tmp-1);
            int ans=0;
            for(int j=0;j<n;j++){
                if((a[j]&f)==a[j])    ans+=b[j];
            }
            res=max(res,ans);
        }
    }
    printf("%d\n",res);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&k);
                        ^
./Main.cpp:12:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a[i],&b[i]);
                                  ^

Judge Result