提出 #918620

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ソースコード 拡げる

#include <stdio.h>
#include <string.h>
#include <iostream>
#include <algorithm>
#include <map>
#include <math.h>
#include <vector>
#include <queue>
using namespace std;
#define mod 1000000007
#define INF 0x7fffffffff
#define N 100100
#define endl '\n'
long long p[1000000],q[1000000];
long long sum[1000000];
int main()
{
    long long n,m;
    long long ans=0;
    scanf("%lld%lld",&n,&m);
    for(int i=1;i<=n;i++) scanf("%lld",&p[i]),ans+=p[i];
    for(int i=1;i<=m;i++) scanf("%lld",&q[i]),ans+=q[i];
    sort(q+1,q+m+1);
    sum[0]=0;
    for(int i=1;i<=m;i++) sum[i]=sum[i-1]+q[i];
    for(int i=1;i<=n;i++)
    {
        long long l=1,r=m,res=m;
        while(l<=r)
        {
            int mid=l+r>>1;
            if(q[mid]>p[i]) res=mid,r=mid-1;
            else l=mid+1;
        }
        if(q[res]<=p[i]) res++;
        ans=ans+sum[res-1]+(long long)p[i]*(m-res+1);
    }
    cout<<ans<<endl;
    return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&m);
                            ^
./Main.cpp:21:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=n;i++) scanf("%lld",&p[i]),ans+=p[i];
                                                        ^
./Main.cpp:22:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=m;i++) scanf("%lld",&q[i]),ans+=q[i];
                                                        ^

ジャッジ結果