Submission #149185

#	Time	Username	Problem	Language	Result	Execution time	Memory
149185		서울대학교 연구공원 944동 삼성전자서울대연구소 (#200)	HicCup (FXCUP4_hiccup)	C++17	100 / 100	109 ms	3832 KiB

hiccup

#include "hiccup.h"

#include <stdio.h>  
#include <algorithm>  
#include <assert.h>
#include <bitset>
#include <cmath>  
#include <complex>  
#include <deque>  
#include <functional>  
#include <iostream>  
#include <limits.h>  
#include <map>  
#include <math.h>  
#include <queue>  
#include <set>  
#include <stdlib.h>  
#include <string.h>  
#include <string>  
#include <time.h>  
#include <unordered_map>  
#include <unordered_set>  
#include <vector>  

#pragma warning(disable:4996)  
#pragma comment(linker, "/STACK:336777216")  
using namespace std;

#define mp make_pair  
#define Fi first  
#define Se second  
#define pb(x) push_back(x)  
#define szz(x) ((int)(x).size())  
#define rep(i, n) for(int i=0;i<n;i++)  
#define all(x) (x).begin(), (x).end()  
#define ldb ldouble  

typedef tuple<int, int, int> t3;
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ldb;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef pair <ll, int> pli;
typedef pair <db, db> pdd;

int IT_MAX = 1 << 19;
const ll MOD = 1000000007;
const int INF = 0x3f3f3f3f;
const ll LL_INF = 0x3f3f3f3f3f3f3f3f;
const db PI = acos(-1);
const db ERR = 1e-10;

bool mycheck(vector<ll> Vu, int mi) {
	reverse(all(Vu));

	ll cur = 0;
	for (auto it : Vu) {
		cur -= mi;
		cur += it;
		if (cur < 0) return false;
	}
	return true;
}

int HicCup(std::string S) {
	int N = S.size(), i, j;

	int c = 0;
	for (int i = 0; i < N; i++) {
		if (S[i] == 'H') c++;
		if (S[i] == 'C') c--;
		if (c < 0) return -1;
	}
	if (c != 0) return -1;

	int p = N;
	for (int i = N - 1; i >= 0; i--) if (S[i] == 'C') p = i;
	for (int i = 0; i < p; i++) if (S[i] == '!') return -1;
	
	for (int i = 0; i + 1 < N; i++) if (S[i] == 'H' && S[i + 1] == '!') return -1;

	int st = 0, en = INF, mi, rv = -1;
	while (st <= en) {
		mi = (st + en) / 2;
	
		vector <vector<ll>> Vr;
		vector <ll> Vu;
		Vr.push_back(Vu);
		int i;
		for (i = 0; i < N; i++) {
			if (S[i] == 'H') {
				Vu.clear();
				Vr.push_back(Vu);
			}
			else if (S[i] == 'C') {
				if (!mycheck(Vr.back(), mi)) break;

				Vr.pop_back();
				Vr.back().push_back(0);
			}
			else Vr.back().back()++;
		}
		if (i >= N && mycheck(Vr.back(), mi)) {
			rv = mi;
			st = mi + 1;
		}
		else en = mi - 1;
	}
	return rv;
}

Compilation message (stderr)

hiccup.cpp:25:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning(disable:4996)  
 
hiccup.cpp:26:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker, "/STACK:336777216")  
 
hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:68:20: warning: unused variable 'i' [-Wunused-variable]
  int N = S.size(), i, j;
                    ^
hiccup.cpp:68:23: warning: unused variable 'j' [-Wunused-variable]
  int N = S.size(), i, j;
                       ^

• Subtask 1: 24 / 24
• Subtask 2: 76 / 76