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답안 #148667

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
148667 2019-09-01T04:53:40 Z 준표야 함수컵은 캐리해줄거지?(#3588, Acka, spectaclehong, heiler) HicCup (FXCUP4_hiccup) C++17
24 / 100
 206 ms 7288 KB 
#include "hiccup.h"

#include <cstdio>
#include <algorithm>

using namespace std;

int st[1000006] = {-1};
int top;
bool chk(string &S, int k) {
	top = 0;
	for (int i = 0; i < S.size(); i++) {

		if (S[i] == 'H') {
			st[++top] = -1;
		}
		else if (S[i] == 'C') {
			st[++top] = -2;
		}
		else if (S[i] == '!') {
			if (st[top] < 0) st[++top] = 1;
			else st[top]++;
			if (st[top - 1] == -1) top--;
		}
		if (k) while (top > 2 && st[top - 2] == -1 && st[top - 1] == -2 && st[top] >= k) {
			st[top - 2] = st[top] - k;
			top -= 2;
			while (st[top - 1] >= 0) {
				st[top - 1] += st[top];
				top--;
			}
			while (st[top] == 0) top--;
		}
		else while (top > 1 && st[top - 1] == -1 && st[top] == -2) {
			top -= 2;
		}
	}
	return !top;
}

int HicCup(std::string S) {
	if (S[0] != 'H') return -1;
	int l = -1, r = S.size();
	while (l + 1 < r) {
		int mid = l + r >> 1;
		if (!chk(S, mid)) r = mid;
		else l = mid;
	}
	return l;
}

// int main() {
// 	int ret = HicCup("!!HC!!");
// 	printf("%d\n", ret);
// }

Compilation message

hiccup.cpp: In function 'bool chk(std::__cxx11::string&, int)':
hiccup.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < S.size(); i++) {
                  ~~^~~~~~~~~~
hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:45:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = l + r >> 1;
             ~~^~~

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 5 ms 384 KB Output is correct
4 Correct 12 ms 640 KB Output is correct
5 Correct 201 ms 7032 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 13 ms 3328 KB Output is correct
8 Correct 205 ms 7160 KB Output is correct
9 Correct 206 ms 7288 KB Output is correct
10 Correct 195 ms 7208 KB Output is correct
11 Correct 5 ms 128 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 5 ms 384 KB Output is correct
4 Correct 12 ms 640 KB Output is correct
5 Correct 201 ms 7032 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 13 ms 3328 KB Output is correct
8 Correct 205 ms 7160 KB Output is correct
9 Correct 206 ms 7288 KB Output is correct
10 Correct 195 ms 7208 KB Output is correct
11 Correct 201 ms 6912 KB Output is correct
12 Correct 128 ms 4476 KB Output is correct
13 Correct 96 ms 3328 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Incorrect 100 ms 3456 KB Output isn't correct
16 Halted 0 ms 0 KB -