oj.uz

답안 #149099

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
149099 2019-09-01T05:44:37 Z ----MIT합격선----(#3601, maruii, Diuven, andy627) HicCup (FXCUP4_hiccup) C++17
24 / 100
 23 ms 3328 KB 
#include "hiccup.h"
#include <utility>
#include <stack>
using namespace std;

typedef pair<char, int> pci;

bool check(const string& S, int x){

	stack<char> T;
	int n = S.size();

	for(int i=0; i<n; i++){
		if(S[i]=='H') T.push('(');
		else{
			if(T.empty()) return false;
			if(T.top()=='(') T.pop();
		}
	}
	return T.empty();

/*
	stack<pci> T;
	bool series = false;
	for(int i=0, st=0; i<n; i++){
		if(S[i]=='H'){
			st = 1;
		}
		if(S[i]=='C'){
			st = 2;
		}
		if(S[i]=='!'){
			if(st>0 && st!=2) return false;
			st = (st>0 ? -1 : st-1);
		}
		T.push({S[i], st});
		
		if(st<=-x){
			for(int j=0; j<x+2; j++) T.pop();
			st = (T.empty() ? 0 : T.top().second);
			nonempty = true;
		}
	}
	*/
	return false;
}

int HicCup(std::string S) {
	int n = S.size();
	int s = 0, e = 1000000;
	return check(S, 0) ? 0 : -1;
	while(s<e){
		int mid = (s+e+1)/2;
		if(check(S, mid)) s = mid;
		else e = mid-1;
	}
	return check(S, s) ? s : -1;
}

Compilation message

hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:49:6: warning: unused variable 'n' [-Wunused-variable]
  int n = S.size();
      ^

Subtask #1
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 21 ms 3200 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 16 ms 3328 KB Output is correct
8 Correct 23 ms 3328 KB Output is correct
9 Correct 21 ms 3328 KB Output is correct
10 Correct 13 ms 3328 KB Output is correct
11 Correct 5 ms 384 KB Output is correct

Subtask #2
0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 21 ms 3200 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 16 ms 3328 KB Output is correct
8 Correct 23 ms 3328 KB Output is correct
9 Correct 21 ms 3328 KB Output is correct
10 Correct 13 ms 3328 KB Output is correct
11 Correct 14 ms 3200 KB Output is correct
12 Correct 13 ms 3328 KB Output is correct
13 Correct 12 ms 3328 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 13 ms 3316 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 640 KB Output is correct
19 Incorrect 13 ms 3328 KB Output isn't correct
20 Halted 0 ms 0 KB -