제출 #262015

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
262015		amoo_safar	Gap (APIO16_gap)	C++17	0 / 100	81 ms	3308 KiB

gap

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

#define pb push_back

using namespace std;

typedef long long ll;

const ll Inf = 1e18;

ll findGap(int Tc, int N){
	if(Tc == 1){
		vector<ll> V;

		ll L, R, L2, R2, S, T;
		MinMax(0ll, Inf, &L, &R);
		V.pb(L);
		V.pb(R);
		while(L + 1 <= R - 1){
			L ++;
			R --;
			MinMax(L, R, &L2, &R2);
			L = L2;
			R = R2;
			V.pb(L); V.pb(R);
		}
		sort(V.begin(), V.end());
		ll ans = 0;
		for(int i = 0; i + 1 < (int) V.size(); i++) ans = max(ans, V[i + 1] - V[i]);
		return ans;	
	}
	ll L, R, S, T;
	MinMax(0ll, Inf, &L, &R);
	ll D = (R - L) / (N - 1);
	ll md = (R - L) % (N - 1);
	ll pos = L;
	ll st;
	vector<ll> V;
	for(int i = 0; i < N - 1; i++){
		st = D;
		if(i < md) st ++;
		MinMax(pos, pos + st - 1, &S, &T);
		if(S != -1){
			V.push_back(S);
			V.push_back(T);
		}
		pos += st;
	}
	sort(V.begin(), V.end());
	ll ans = D + min(md, 1ll);
	for(int i = 0; i + 1 < (int) V.size(); i++) ans = max(ans, V[i + 1] - V[i]);
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:16:20: warning: unused variable 'S' [-Wunused-variable]
   ll L, R, L2, R2, S, T;
                    ^
gap.cpp:16:23: warning: unused variable 'T' [-Wunused-variable]
   ll L, R, L2, R2, S, T;
                       ^

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70