oj.uz

답안 #149579

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
149579 2019-09-01T06:46:59 Z 준표야 함수컵은 캐리해줄거지?(#3588, Acka, spectaclehong, heiler) HicCup (FXCUP4_hiccup) C++17
24 / 100
 209 ms 7292 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 (st[top] >= 0) top--;
			while (top > 1 && st[top - 1] == -1 && st[top] == -2) {
				top -= 2;
				while (st[top] >= 0) top--;
			}
		}
	}
	return !top;
}

int in[100005], out[100005];

int HicCup(std::string S) {
	st[100005] = {0};
	int s = 0;
	int top = 0;
	if (S[0] != 'H') return -1;
	for (int i = 0; i < S.size(); i++) {
		if (S[i] == 'H') {
			s++;
			st[top]++;
			st[++top] = 0;
		}
		else if (S[i] == 'C') {
			s--;
			if (st[top] == 0 && S[i - 1] != 'H') return -1;
			top--;
		}
		if (s < 0) return -1;
	}
	if (s) return -1;
	int l = 0, 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("HHCHC!!!!!C");
// 	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:51:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < S.size(); i++) {
                  ~~^~~~~~~~~~
hiccup.cpp:67:15: 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 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 12 ms 640 KB Output is correct
5 Correct 207 ms 7288 KB Output is correct
6 Correct 16 ms 3328 KB Output is correct
7 Correct 14 ms 3328 KB Output is correct
8 Correct 209 ms 7288 KB Output is correct
9 Correct 208 ms 7292 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 12 ms 640 KB Output is correct
5 Correct 207 ms 7288 KB Output is correct
6 Correct 16 ms 3328 KB Output is correct
7 Correct 14 ms 3328 KB Output is correct
8 Correct 209 ms 7288 KB Output is correct
9 Correct 208 ms 7292 KB Output is correct
10 Correct 15 ms 3328 KB Output is correct
11 Correct 15 ms 3328 KB Output is correct
12 Correct 14 ms 3328 KB Output is correct
13 Correct 15 ms 3288 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Incorrect 105 ms 3448 KB Output isn't correct
16 Halted 0 ms 0 KB -