제출 #549453

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
549453	2022-04-15 20:19:22	skyvn97	Election Campaign (JOI15_election_campaign)	C++14	100 / 100	297 ms	39404 KiB

election_campaign

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#include<bits/stdc++.h>
#define MAX   100100
#define LOG   17
#define FOR(i,a,b) for (int i=(a),_b=(b);i<=_b;i=i+1)
#define FORD(i,b,a) for (int i=(b),_a=(a);i>=_a;i=i-1)
#define REP(i,n) for (int i=0,_n=(n);i<_n;i=i+1)
#define FORE(i,v) for (__typeof((v).begin()) i=(v).begin();i!=(v).end();i++)
using namespace std;
class SegmentTree {
    private:
    int n;
    vector<int> lazy;
    void update(int i,int l,int r,int u,int v,int c) {
        if (l>v || r<u || l>r || v<u) return;
        if (u<=l && r<=v) {
            lazy[i]+=c;
            return;
        }
        int m=(l+r)>>1;
        update(2*i,l,m,u,v,c);
        update(2*i+1,m+1,r,u,v,c);
    }
    public:
    SegmentTree() {
        n=0;
    }
    SegmentTree(int n) {
        this->n=n;
        lazy.assign(4*n+7,0);
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

election_campaign.cpp: In function 'void loadTree()':
election_campaign.cpp:70:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
election_campaign.cpp:73:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |         scanf("%d%d",&u,&v);
      |         ~~~~~^~~~~~~~~~~~~~
election_campaign.cpp:77:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     scanf("%d",&m);
      |     ~~~~~^~~~~~~~~
election_campaign.cpp: In member function 'void Req::input()':
election_campaign.cpp:59:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |         scanf("%d%d%d",&u,&v,&c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40