제출 #557084

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
557084	2022-05-04 17:27:08	lunchbox	역사적 조사 (JOI14_historical)	C++17	100 / 100	737 ms	8636 KiB

historic

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/*
https://oj.uz/problem/view/JOI14_historical
역사적 조사 (Historical)
*/
#include <bits/stdc++.h>
using namespace std;
using LL = long long;
const int N = 100000, B = 350, Q = 100000;
vector<array<int, 3>> qq[(N - 1) / B + 1];
int kk[N], aa_[N];
stack<pair<LL, int>> stk;
void add(int a) {
  kk[a]++;
  stk.push({max(stk.top().first, (LL) kk[a] * aa_[a]), a});
}
void pop() {
  kk[stk.top().second]--;
  stk.pop();
}
LL best() {
  return stk.top().first;
}
void run() {
  static LL ans[Q];
  static int aa[N];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

historic.cpp: In function 'void run()':
historic.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |  scanf("%d%d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~
historic.cpp:36:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |   scanf("%d", &aa[i]);
      |   ~~~~~^~~~~~~~~~~~~~
historic.cpp:50:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |   scanf("%d%d", &l, &r), l--, r--;
      |   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 60 / 60