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답안 #149765

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
149765 2019-09-01T07:08:00 Z dragoon(#3802, dragoon) HicCup (FXCUP4_hiccup) C++17
24 / 100
 25 ms 3328 KB 
#include "hiccup.h"
using namespace std;

int valid(const string& S) {
	int h = 0, th = 0;
	for (char ch : S) {
		if (ch == 'H') h++, th++;
		if (ch == 'C') {
			if (h == 0) return 0;
			h--;
		}
		if (ch == '!') continue;
	}
	return (h == 0 && th > 0);
}

int check(int x, const string& S) {
	int h = 0, sign = 0;
	for (char ch : S) {
		if (ch == 'H') h++;
		else if (ch == 'C') h--, sign += x;
		else {
			sign--;
			if (sign < 0) sign = 0;
		}
	}
	return sign == 0;
}

int HicCup(std::string S) {
	int cntH = 0, cntSign = 0;
	if (!valid(S)) return -1;
	for (char ch : S) cntH += ch == 'H', cntSign += ch == '!';
	int lo = 0, hi = cntSign/cntH;
	while (lo < hi) {
		int mid = (lo + hi + 1) / 2;
		if (check(mid, S)) lo = mid;
		else hi = mid - 1;
	}
	
	return lo;
}

Subtask #1
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 6 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 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 13 ms 3328 KB Output is correct
8 Correct 21 ms 3328 KB Output is correct
9 Correct 22 ms 3072 KB Output is correct
10 Correct 15 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 6 ms 384 KB Output is correct
2 Correct 6 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 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 13 ms 3328 KB Output is correct
8 Correct 21 ms 3328 KB Output is correct
9 Correct 22 ms 3072 KB Output is correct
10 Correct 15 ms 3328 KB Output is correct
11 Correct 15 ms 3328 KB Output is correct
12 Correct 15 ms 3328 KB Output is correct
13 Correct 14 ms 3328 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Incorrect 25 ms 3328 KB Output isn't correct
16 Halted 0 ms 0 KB -