제출 #832679

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
832679		Theo830	식물 비교 (IOI20_plants)	C++17	14 / 100	4059 ms	7404 KiB

plants

#include "plants.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ii pair<ll,ll>
#define pb push_back
#define F first
#define S second
#define f(i,a,b) for(ll i = a;i < b;i++)
ll arr[200005];
const ll INF = 1e9;
void init(int k,vector<int>r){
    ll n = r.size();
    ll cur = n;
    while(1){
        vector<ll>possible;
        f(i,0,n){
            if(r[i] == 0){
                possible.pb(i);
            }
        }
        if(possible.empty()){
            break;
        }
        ll siz = possible.size();
        bool ok[siz];
        vector<ll>kame;
        f(i,0,siz){
            ll dist = possible[(i+1)%siz] - possible[i];
            if(dist <= 0){
                dist += n;
            }
            if(dist >= k){
                kame.pb(possible[(i+1)%siz]);
            }
        }
        for(auto x:kame){
            arr[x] = cur;
            r[x] = INF;
            ll s = k;
            ll pos = x;
            while(s--){
                r[pos]--;
                pos--;
                if(pos < 0){
                    pos += n;
                }
            }
        }
        cur--;
    }
	return;
}
int compare_plants(int x, int y) {
	if(arr[x] == arr[y]){
        return 0;
	}
	if(arr[x] > arr[y]){
        return 1;
	}
	return -1;
}
/*
static int n, k, q;
static std::vector<int> r;
static std:: vector<int> x;
static std:: vector<int> y;
static std:: vector<int> answer;
int main() {
	assert(scanf("%d%d%d", &n, &k, &q) == 3);
	r.resize(n);
	answer.resize(q);
	for (int i = 0; i < n; i++) {
		int value;
		assert(scanf("%d", &value) == 1);
		r[i] = value;
	}
	x.resize(q);
	y.resize(q);
	for (int i = 0; i < q; i++) {
		assert(scanf("%d%d", &x[i], &y[i]) == 2);
	}
	fclose(stdin);
	init(k, r);
	for (int i = 0; i < q; i++) {
		answer[i] = compare_plants(x[i], y[i]);
	}

	for (int i = 0; i < q; i++) {
		printf("%d\n", answer[i]);
	}

	fclose(stdout);

	return 0;
}
*/

컴파일 시 표준 에러 (stderr) 메시지

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:26:14: warning: unused variable 'ok' [-Wunused-variable]
   26 |         bool ok[siz];
      |              ^~

• Subtask 1: 0 / 5
• Subtask 2: 14 / 14
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
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