제출 #257123

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
257123		BThero	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	17 / 100	15 ms	512 KiB

sortbooks

// chrono::system_clock::now().time_since_epoch().count()
#include<bits/stdc++.h>

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define debug(x) cerr << #x << " = " << x << endl;

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int MAXN = (int)5e3 + 5;

int arr[MAXN];
int n, q;

void solve() {
  scanf("%d %d", &n, &q);
  
  for (int i = 1; i <= n; ++i) {
    scanf("%d", &arr[i]);
  }
  
  for (int i = 1; i <= q; ++i) {
    int l, r, k, ans = 1;
    scanf("%d %d %d", &l, &r, &k);
    int mx = 0;
    
    for (int j = l; j <= r; ++j) {
      if (mx > arr[j] && arr[j] + mx > k) {
        ans = 0;
        break;
      }
      
      mx = max(mx, arr[j]);
    }
    
    printf("%d\n", ans);
  }
}

int main() {
  int tt = 1;
  
  while (tt--) {
    solve();
  }

  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

sortbooks.cpp: In function 'void solve()':
sortbooks.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &q);
   ~~~~~^~~~~~~~~~~~~~~~~
sortbooks.cpp:26:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &arr[i]);
     ~~~~~^~~~~~~~~~~~~~~
sortbooks.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &l, &r, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23