Submission #448425

#	Time	Username	Problem	Language	Result	Execution time	Memory
448425		dxz05	비스킷 담기 (IOI20_biscuits)	C++14	9 / 100	232 ms	332 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>

typedef long long ll;

using namespace std;

long long count_tastiness(long long x, vector<long long> a) {
	if (x > 100000) return 1;
	int k = a.size();

	ll ans = 1;
	for (int val = 1; val * x <= 1e5; val++){
	    vector<ll> b = a;
	    bool ok = true;
	    for (int it = 0; it < x; it++){
	        ll y = val;
	        for (int i = k - 1; i >= 0; i--){
	            ll cur = min(b[i], y / (1ll << i));
	            y -= (1ll << i) * cur;
	            b[i] -= cur;
	        }
	        if (y) ok = false;
	    }
	    if (ok) ans++;
	}

    return ans;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23