oj.uz

답안 #477964

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
477964 2021-10-04T20:17:34 Z mychecksedad Pod starim krovovima (COCI20_psk) C++17
50 / 50
 1 ms 336 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
const int N = 1e6+100, M = 1e5+10, F = 2147483646, K = 20;

int n;
ll sum = 0, a, b[N];
pair<ll, ll> arr[N];
void solve(){
    cin >> n;
    for(int i = 0; i < n; i++){
        cin >> a >> arr[i].first;
        b[i] = arr[i].first;
        arr[i].second = i;
        sum += a;
        b[i] = 0;
    }
    sort(arr, arr+n);
    int ans = 0;
    for(int i = n - 1; i >= 0; --i){
        if(arr[i].first <= sum){
            sum -= arr[i].first;
            b[arr[i].second] = arr[i].first;
        }else{
            b[arr[i].second] = sum;
            sum = 0;
        }
        if(sum == 0) break;
    }
    for(int i = 0; i < n; ++i) if(b[i] == 0) ++ans;
    cout << ans << '\n';
    for(int i = 0; i < n; ++i) cout << b[i] << ' ';
}



int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    int T = 1, aa;
    // cin >> T;aa=T;
    while(T--){
        // cout << "Case #" << aa-T << ": ";
        solve();
    }
    return 0;
 
}

Compilation message

psk.cpp: In function 'int main()':
psk.cpp:47:16: warning: unused variable 'aa' [-Wunused-variable]
   47 |     int T = 1, aa;
      |                ^~

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct