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Submission #149340

# Submission time Handle Problem Language Result Execution time Memory
149340 2019-09-01T06:17:01 Z From The Sky(#3630, WhipppedCream, top34051, zoomswk) HicCup (FXCUP4_hiccup) C++17
24 / 100
 169 ms 5460 KB 
#include "hiccup.h"
#include <algorithm>
#include <string>
#include <vector>
#include <stack>
using namespace std;

int HicCup(std::string S) {
	int N = S.size();
	int mask = 0;
	int bal = 0;
	for(int i=0; i<N; i++){
		if(S[i] == '!' && mask != 3) return -1;
		if(S[i] == 'H') bal++, mask |= 1;
		if(S[i] == 'C') bal--, mask |= 2;
		if(bal < 0) return -1;
	}
	if(bal > 0) return -1;
	int l=1, r=N, res=0;
	while(l<=r){
		int mid=(l+r)/2;
		stack<int> st;
		for(int i=0; i<N; i++){
			if(S[i] == 'C'){
				st.push(0);
			} else if(S[i] == '!'){
				if(st.size()){
					int x = st.top();
					st.pop();
					x++;
					if(x < mid){
						st.push(x);
					}
				}
			}
		}
		if(st.empty()) res = mid, l = mid+1;
		else r = mid-1;
	}
	return res;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 9 ms 512 KB Output is correct
5 Correct 169 ms 5440 KB Output is correct
6 Correct 12 ms 3328 KB Output is correct
7 Correct 12 ms 3456 KB Output is correct
8 Correct 166 ms 5460 KB Output is correct
9 Correct 169 ms 5428 KB Output is correct
10 Correct 14 ms 3328 KB Output is correct
11 Correct 6 ms 384 KB Output is correct

Subtask #2
0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 9 ms 512 KB Output is correct
5 Correct 169 ms 5440 KB Output is correct
6 Correct 12 ms 3328 KB Output is correct
7 Correct 12 ms 3456 KB Output is correct
8 Correct 166 ms 5460 KB Output is correct
9 Correct 169 ms 5428 KB Output is correct
10 Correct 14 ms 3328 KB Output is correct
11 Correct 14 ms 3288 KB Output is correct
12 Correct 13 ms 3328 KB Output is correct
13 Correct 13 ms 3328 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Incorrect 97 ms 3376 KB Output isn't correct
16 Halted 0 ms 0 KB -