oj.uz

Submission #613084

# Submission time Handle Problem Language Result Execution time Memory
613084 2022-07-30T03:19:40 Z penguinhacker HicCup (FXCUP4_hiccup) C++17
100 / 100
 99 ms 34856 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]=='!'&&(!i||s[i-1]=='H'))
			return -1;
	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') {
			if (stk.size()==1)
				return -1;
			for (; i+1<s.size()&&s[i+1]=='!'; ++i, ++cnt[stk.top()]);
			stk.pop();
		}
	}
	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)
      |                ~^~~~~~~~~
hiccup.cpp:26:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |  for (int i=0; i<s.size(); ++i) {
      |                ~^~~~~~~~~
hiccup.cpp:33:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |    for (; i+1<s.size()&&s[i+1]=='!'; ++i, ++cnt[stk.top()]);
      |           ~~~^~~~~~~~~

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 23780 KB Output is correct
2 Correct 22 ms 23692 KB Output is correct
3 Correct 20 ms 23716 KB Output is correct
4 Correct 21 ms 24188 KB Output is correct
5 Correct 93 ms 34848 KB Output is correct
6 Correct 29 ms 26708 KB Output is correct
7 Correct 25 ms 26708 KB Output is correct
8 Correct 82 ms 34780 KB Output is correct
9 Correct 99 ms 34856 KB Output is correct
10 Correct 27 ms 26708 KB Output is correct
11 Correct 20 ms 23728 KB Output is correct

Subtask #2
76.0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 23780 KB Output is correct
2 Correct 22 ms 23692 KB Output is correct
3 Correct 20 ms 23716 KB Output is correct
4 Correct 21 ms 24188 KB Output is correct
5 Correct 93 ms 34848 KB Output is correct
6 Correct 29 ms 26708 KB Output is correct
7 Correct 25 ms 26708 KB Output is correct
8 Correct 82 ms 34780 KB Output is correct
9 Correct 99 ms 34856 KB Output is correct
10 Correct 27 ms 26708 KB Output is correct
11 Correct 20 ms 23728 KB Output is correct
12 Correct 32 ms 26676 KB Output is correct
13 Correct 31 ms 26728 KB Output is correct
14 Correct 26 ms 26648 KB Output is correct
15 Correct 19 ms 23816 KB Output is correct
16 Correct 26 ms 26692 KB Output is correct
17 Correct 18 ms 23796 KB Output is correct
18 Correct 16 ms 23716 KB Output is correct
19 Correct 17 ms 23928 KB Output is correct
20 Correct 31 ms 26796 KB Output is correct
21 Correct 36 ms 27832 KB Output is correct
22 Correct 32 ms 27644 KB Output is correct
23 Correct 44 ms 27424 KB Output is correct
24 Correct 36 ms 27576 KB Output is correct
25 Correct 35 ms 27904 KB Output is correct
26 Correct 64 ms 33468 KB Output is correct
27 Correct 36 ms 28856 KB Output is correct
28 Correct 26 ms 27680 KB Output is correct
29 Correct 30 ms 27600 KB Output is correct
30 Correct 33 ms 27596 KB Output is correct
31 Correct 19 ms 23792 KB Output is correct
32 Correct 19 ms 23800 KB Output is correct
33 Correct 19 ms 24112 KB Output is correct