Submission #927931

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
927931	2024-02-15 14:10:38	TAhmed33	Sure Bet (CEOI17_sure)	C++98	100 / 100	134 ms	6740 KiB

sure

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#include <bits/stdc++.h>
using namespace std;
typedef long double ld;
int n;
ld a[100001];
ld b[100001];
ld pref[100001];
int main () {
    cin >> n;
    for (int i = 1; i <= n; i++) {
      cin >> a[i] >> b[i];
    }
    sort(a + 1, a + n + 1);
    sort(b + 1, b + n + 1);
    reverse(a + 1, a + n + 1);
    reverse(b + 1, b + n + 1);
    ld mx = 0;
    for (int i = 2; i <= n; i++) {
      a[i] += a[i - 1];
      b[i] += b[i - 1];
    }
    pref[1] = a[1] - 1;
    for (int i = 2; i <= n; i++) {
      pref[i] = max(pref[i - 1], a[i] - i);
    }
    for (int i = 1; i <= n; i++) {
      int l = 1, r = n, ans = -1;
  while (l <= r) {
    int mid = (l + r) >> 1;
    if (a[mid] < b[i]) {
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 40 / 40