제출 #779961

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
779961	2023-07-12 03:59:38	79brue	Bodyguards (CEOI10_bodyguards)	C++17	100 / 100	682 ms	28264 KiB

bodyguards

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct segTree{
    struct Node{
        ll cnt, sum, lazy;
        Node(){}
        Node(ll cnt, ll sum, ll lazy): cnt(cnt), sum(sum), lazy(lazy){}
    } tree[800002];
    void init(int i, int l, int r){
        tree[i] = Node(0, 0, 0);
        if(l==r) return;
        int m = (l+r)>>1;
        init(i*2, l, m);
        init(i*2+1, m+1, r);
    }
    void propagate(int i, int l, int r){
        if(l==r) tree[i].sum -= tree[i].lazy * tree[i].cnt;
        else tree[i*2].lazy += tree[i].lazy, tree[i*2+1].lazy += tree[i].lazy;
        tree[i].lazy = 0;
    }
    void update(int i, int l, int r, int s, int e, ll v){
        propagate(i, l, r);
        if(r<s || e<l) return;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

bodyguards.cpp: In function 'int main()':
bodyguards.cpp:126:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  126 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
bodyguards.cpp:127:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  127 |     for(int i=1; i<=n; i++) scanf("%lld %lld", &a[i].first, &a[i].second);
      |                             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bodyguards.cpp:128:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  128 |     scanf("%d", &m);
      |     ~~~~~^~~~~~~~~~
bodyguards.cpp:129:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  129 |     for(int i=1; i<=m; i++) scanf("%lld %lld", &b[i].first, &b[i].second);
      |                             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
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• Subtask 10: 10 / 10