oj.uz

답안 #613051

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
613051 2022-07-30T03:09:10 Z penguinhacker HicCup (FXCUP4_hiccup) C++17
24 / 100
 63 ms 34840 KB 
#include "hiccup.h"
#include <bits/stdc++.h>
using namespace std;

const int mxN=1e6+2;
int n=1, cnt[mxN], ans=69696969;
stack<int> stk;
vector<int> adj[mxN];

void dfs(int u=0) {
	for (int v : adj[u])
		dfs(v);
	reverse(adj[u].begin(), adj[u].end());
	int cur=0;
	for (int i=0; i<adj[u].size(); ++i) {
		cur+=cnt[adj[u][i]];
		ans=min(ans, cur/(i+1));
	}
}

int HicCup(string s) {
	stk.push(0);
	for (int i=0; i<s.size(); ++i) {
		if (s[i]=='H') {
			adj[stk.top()].push_back(n);
			stk.push(n++);
		} else if (s[i]=='C') {
			stk.pop();
			if (stk.empty())
				return -1;
		} else {
			if (!i||s[i-1]=='H')
				return -1;
			++cnt[stk.top()];
		}
	}
	if (stk.size()!=1||n==1)
		return -1;
	dfs();
	return ans;
}

Compilation message

hiccup.cpp: In function 'void dfs(int)':
hiccup.cpp:15:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  for (int i=0; i<adj[u].size(); ++i) {
      |                ~^~~~~~~~~~~~~~
hiccup.cpp: In function 'int HicCup(std::string)':
hiccup.cpp:23:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i=0; i<s.size(); ++i) {
      |                ~^~~~~~~~~

Subtask #1
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 23764 KB Output is correct
2 Correct 16 ms 23764 KB Output is correct
3 Correct 13 ms 23764 KB Output is correct
4 Correct 17 ms 24092 KB Output is correct
5 Correct 63 ms 34820 KB Output is correct
6 Correct 18 ms 26708 KB Output is correct
7 Correct 18 ms 26728 KB Output is correct
8 Correct 62 ms 34840 KB Output is correct
9 Correct 63 ms 34828 KB Output is correct
10 Correct 20 ms 26704 KB Output is correct
11 Correct 19 ms 23688 KB Output is correct

Subtask #2
0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 23764 KB Output is correct
2 Correct 16 ms 23764 KB Output is correct
3 Correct 13 ms 23764 KB Output is correct
4 Correct 17 ms 24092 KB Output is correct
5 Correct 63 ms 34820 KB Output is correct
6 Correct 18 ms 26708 KB Output is correct
7 Correct 18 ms 26728 KB Output is correct
8 Correct 62 ms 34840 KB Output is correct
9 Correct 63 ms 34828 KB Output is correct
10 Correct 20 ms 26704 KB Output is correct
11 Correct 19 ms 23688 KB Output is correct
12 Correct 25 ms 27828 KB Output is correct
13 Correct 30 ms 27052 KB Output is correct
14 Correct 25 ms 26732 KB Output is correct
15 Correct 14 ms 23764 KB Output is correct
16 Correct 20 ms 26672 KB Output is correct
17 Correct 18 ms 23672 KB Output is correct
18 Correct 18 ms 23744 KB Output is correct
19 Correct 19 ms 23952 KB Output is correct
20 Incorrect 29 ms 26776 KB Output isn't correct
21 Halted 0 ms 0 KB -