提出 #17512550

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ソースコード 拡げる

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll s1[100005],s2[100005],f[100005][3];//1->( 2->[ 3-> ([ 4->[(
int a[100005],b[100005],c[100005];
priority_queue<ll>q1,q2;
int main()
{
    int n,cnt1=0,cnt2=0;
    long long ans=0;
    scanf("%d",&n);
    memset(f,0xbf,sizeof(f));
    for(int i=1;i<=n;i++)scanf("%d",&a[i]);
    for(int i=1;i<=n;i++)scanf("%d",&b[i]);
    for(int i=1;i<=n;i+=2)swap(a[i],b[i]);
    for(int i=1;i<=n;i++)
    {
        if(a[i]>=b[i])cnt1++,ans+=a[i];
        else ans+=b[i],cnt2++;
    }
    if(cnt1>=cnt2)
    {
        int cnt3=0;
        for(int i=1;i<=n;i++)if(a[i]>=b[i])c[++cnt3]=a[i]-b[i];
        sort(c+1,c+cnt3+1);
        for(int i=1;i<=cnt1-n/2;i++)ans-=c[i];
    }
    else
    {
        int cnt3=0;
        for(int i=1;i<=n;i++)if(b[i]>a[i])c[++cnt3]=b[i]-a[i];
        sort(c+1,c+cnt3+1);
        for(int i=1;i<=cnt2-n/2;i++)ans-=c[i];
    }
    cout<<ans;
    return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   11 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
./Main.cpp:13:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   13 |     for(int i=1;i<=n;i++)scanf("%d",&a[i]);
      |                          ~~~~~^~~~~~~~~~~~
./Main.cpp:14:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   14 |     for(int i=1;i<=n;i++)scanf("%d",&b[i]);
      |                          ~~~~~^~~~~~~~~~~~

ジャッジ結果