제출 #1028184

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1028184		khanhtb	Detecting Molecules (IOI16_molecules)	C++14	69 / 100	31 ms	5144 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
#define ll int
#define ull unsigned long long
#define ld long double
#define pb push_back
#define pf push_front
#define vi vector<ll>
#define vii vector<vi>
#define pll pair<ll, ll>
#define vpll vector<pll>
#define all(a) a.begin(), a.end()
#define fi first
#define se second
using namespace std;
const ll mod = 1e9 + 7;
const ll inf = 2e18;
const ll blocksz = 320;
const ll N = 2e5 + 8;
pll a[N];
std::vector<int> find_subset(int l, int r, std::vector<int> x){
    ll n = x.size();
    for(ll i = 0; i < n; i++) a[i].fi = x[i], a[i].se = i;
    sort(a,a+n);
    vi ans;
    ll j = 0, sum = 0;
    for(ll i = 0; i < n; i++){
        sum += a[i].fi;
        while((sum > r || a[i].fi-a[j].fi > r-l) && j <= i){
            sum -= a[j].fi;
            j++;
        }
        if(l <= sum){
            for(ll x = j; x <= i; x++) ans.pb(a[x].se);
            break;
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp:17:16: warning: overflow in conversion from 'double' to 'int' changes value from '2.0e+18' to '2147483647' [-Woverflow]
   17 | const ll inf = 2e18;
      |                ^~~~

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 0 / 31