Submission #147986

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
147986	2019-08-31T10:33:06 Z	imsifile	HicCup (FXCUP4_hiccup)	C++17	100 / 100	64 ms	4288 KB

hiccup

#include "hiccup.h"
using namespace std;
 
char ch[1010101];
int am[1010101], scn;
 
bool isok(int N, string &S, int K){
	scn=0;
	for(int i=0; i<N; i++){
		if(S[i]=='H') ch[scn]='H', am[scn++]=0;
		if(S[i]=='C'){
			while(1){
				if(!scn || ch[scn-1]=='C') return 0;
				scn--;
				if(ch[scn]=='H') break;
				if(ch[scn]=='X' && am[scn]) return 0;
			}
			if(scn && ch[scn-1]=='X') am[scn-1]+=K;
			else ch[scn]='X', am[scn++]=K;
		}
		if(S[i]=='!'){
			if(!scn || ch[scn-1]!='X') return 0;
			am[scn-1]--;
			if(am[scn-1]<0) am[scn-1]=0;
		}
	}
	while(scn){
		scn--;
		if(ch[scn]=='H' || ch[scn]=='C') return 0;
		if(ch[scn]=='X' && am[scn]) return 0;
	}
	return 1;
}
 
int HicCup(string S) {
	int N=S.size();
	int mi=0, mx=N, md, dap=-1;
	while(mi<=mx){
		md=(mi+mx)/2;
		if(isok(N, S, md)) dap=md, mi=md+1;
		else mx=md-1;
	}
	return dap;
}

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	19 ms	4216 KB	Output is correct
6	Correct	9 ms	4220 KB	Output is correct
7	Correct	9 ms	4216 KB	Output is correct
8	Correct	19 ms	4216 KB	Output is correct
9	Correct	19 ms	4216 KB	Output is correct
10	Correct	9 ms	4216 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct

Subtask #2

76.0 / 76.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	19 ms	4216 KB	Output is correct
6	Correct	9 ms	4220 KB	Output is correct
7	Correct	9 ms	4216 KB	Output is correct
8	Correct	19 ms	4216 KB	Output is correct
9	Correct	19 ms	4216 KB	Output is correct
10	Correct	9 ms	4216 KB	Output is correct
11	Correct	10 ms	4216 KB	Output is correct
12	Correct	13 ms	4216 KB	Output is correct
13	Correct	13 ms	4204 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	10 ms	4260 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	3 ms	632 KB	Output is correct
19	Correct	29 ms	4216 KB	Output is correct
20	Correct	20 ms	4220 KB	Output is correct
21	Correct	45 ms	4216 KB	Output is correct
22	Correct	43 ms	4088 KB	Output is correct
23	Correct	64 ms	4216 KB	Output is correct
24	Correct	17 ms	4188 KB	Output is correct
25	Correct	18 ms	4288 KB	Output is correct
26	Correct	18 ms	4288 KB	Output is correct
27	Correct	55 ms	4216 KB	Output is correct
28	Correct	62 ms	4088 KB	Output is correct
29	Correct	64 ms	4216 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	2 ms	256 KB	Output is correct
32	Correct	6 ms	632 KB	Output is correct
33	Correct	2 ms	256 KB	Output is correct