제출 #526530

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
526530	2022-02-15 06:19:29	Bill_00	Bigger segments (IZhO19_segments)	C++14	100 / 100	192 ms	25224 KiB

segments

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#include <bits/stdc++.h>
#define MOD 1000000007
#define ff first
#define ss second
#define N 500005
typedef long long ll;
const ll mx = 1e9 + 100005;
using namespace std;
ll a[N], M[N], H[N], sum[N], mn[4 * N];
ll solve(ll id, ll l, ll r, ll val){
  ll m = l + r >> 1;
  if(l == r) return l;
  if(mn[id * 2 + 1] <= val) return solve(id * 2 + 1, m + 1, r, val);
  else return solve(id * 2, l, m, val);
}
void update(ll id, ll l, ll r, ll pos, ll val){
  if(l == r){
    mn[id] = val;
    return;
  }
  ll m = l + r >> 1;
  if(m >= pos) update(id * 2, l, m, pos, val);
  else update(id * 2 + 1, m + 1, r, pos, val);
  mn[id] = min(mn[id * 2], mn[id * 2 + 1]);
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

segments.cpp: In function 'll solve(ll, ll, ll, ll)':
segments.cpp:12:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   12 |  ll m = l + r >> 1;
      |         ~~^~~
segments.cpp: In function 'void update(ll, ll, ll, ll, ll)':
segments.cpp:23:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |  ll m = l + r >> 1;
      |         ~~^~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 36 / 36
• Subtask 5: 27 / 27