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Submission #150052

# Submission time Handle Problem Language Result Execution time Memory
150052 2019-09-01T07:37:44 Z GucciBelt(#3697, PeppaPig, win11905, DodgeBallMan) HicCup (FXCUP4_hiccup) C++17
24 / 100
 217 ms 5444 KB 
#include "hiccup.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 1e6+5;

int HicCup(string S) {
	stack<int> stk;
	for(int i = 0; i < S.size(); i++) {
		if(S[i] == 'H') stk.emplace(i);
		else if(S[i] == 'C') {
			if(stk.empty()) return -1;
			else stk.pop();
		}
	}
	if(!stk.empty()) return -1;
	int l = 0, r = S.size();
	while(l < r) {
		int mid = (l + r + 1) >> 1;
		queue<int> Q;
		bool chk = false;
		for(int i = 0; i < S.size(); i++) {
			if(S[i] == 'C') {
				chk = true;
				Q.emplace(0);
			} else if(S[i] == '!') {
				if(Q.empty() && !chk) return -1;
				else if(!Q.empty()) {
					int now = Q.front(); Q.pop();
					if(now + 1 < mid) Q.emplace(now + 1);
				}
			}
		}
		if(Q.empty()) l = mid;
		else r = mid - 1;
	}	
	return l;
}

Compilation message

hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:10:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < S.size(); i++) {
                 ~~^~~~~~~~~~
hiccup.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < S.size(); i++) {
                  ~~^~~~~~~~~~

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 12 ms 640 KB Output is correct
5 Correct 210 ms 5444 KB Output is correct
6 Correct 12 ms 3328 KB Output is correct
7 Correct 13 ms 3328 KB Output is correct
8 Correct 209 ms 5444 KB Output is correct
9 Correct 217 ms 5444 KB Output is correct
10 Correct 12 ms 3328 KB Output is correct
11 Correct 5 ms 256 KB Output is correct

Subtask #2
0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 12 ms 640 KB Output is correct
5 Correct 210 ms 5444 KB Output is correct
6 Correct 12 ms 3328 KB Output is correct
7 Correct 13 ms 3328 KB Output is correct
8 Correct 209 ms 5444 KB Output is correct
9 Correct 217 ms 5444 KB Output is correct
10 Correct 12 ms 3328 KB Output is correct
11 Correct 14 ms 3328 KB Output is correct
12 Correct 13 ms 3328 KB Output is correct
13 Correct 12 ms 3328 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Incorrect 127 ms 3328 KB Output isn't correct
16 Halted 0 ms 0 KB -