Submission #148611

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
148611	2019-09-01T04:46:22 Z	CHT를 사랑하는 모임(#3587, moonrabbit2, Retro3014, gs18115)	HicCup (FXCUP4_hiccup)	C++17	100 / 100	100 ms	4352 KB

hiccup

#include "hiccup.h"

#include <bits/stdc++.h>

#define all(v) (v).begin(), (v).end()
#define sortv(v) sort(all(v))
#define uniqv(v) (v).erase(unique(all(v)), (v).end())
#define pb push_back
#define FI first
#define SE second
#define lb lower_bound
#define ub upper_bound
#define mp make_pair
#define test 1
#define TEST if(test)

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;

const int MOD = 1000000007; // 998244353
const int INF = 2e9;
const ll INFLL = 1e18;
const int MAX_N = 1;


ll cnt, N;
string str;

vector<pii> v;

bool chk(ll x){
	bool chk = false;
	while(!v.empty()){
		v.pop_back();
	}
	for(int i=0; i<N; i++){
		if(str[i]=='H'){
			v.pb({1, 0});
		}else if(str[i]=='C'){
			while(1){
				if(v.empty())	return false;
				pii now = v.back(); v.pop_back();
				if(now.first==1){
					v.pb({2, 0});
					break;
				}else if(now.first==2){
					if(now.second<x){
						return false;
					}
				}
			}
		}else{
			while(1){
				if(v.empty())	return false;
				pii now = v.back(); v.pop_back();
				if(now.first==1){
					return false;
				}
				if(!v.empty() && v.back().first==2 && now.second>=x){
					continue;
				}
				now.second++;
				v.pb(now);
				break;
			}
		}
	}
	while(!v.empty()){
		pii now = v.back(); v.pop_back();
		if(now.first==1 || now.second<x)	return false;
	}
	return v.empty();
}

int HicCup(string S) {
	str = S;
	N = S.size();
	/*for(int i=0; i<N; i++){
		if(S[i]=='H'){
			cnt++;
		}else if(S[i]=='C'){
			if(cnt==0){
				return -1;
			}
			cnt--;
		}
	}
	if(cnt!=0){
		return -1;
	}*/
	int s = 0, e = S.size()-1, m;
	while(s<e){
		m = (s+e)/2+1;
		if(chk((ll)m)){
			s = m;
		}else{
			e = m-1;
		}
	} 
	if(!chk(s)){
		return -1;
	}
	return s;
}

Compilation message

hiccup.cpp: In function 'bool chk(ll)':
hiccup.cpp:36:7: warning: unused variable 'chk' [-Wunused-variable]
  bool chk = false;
       ^~~

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	6 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	7 ms	512 KB	Output is correct
5	Correct	29 ms	4352 KB	Output is correct
6	Correct	15 ms	4224 KB	Output is correct
7	Correct	14 ms	4352 KB	Output is correct
8	Correct	30 ms	4224 KB	Output is correct
9	Correct	28 ms	4352 KB	Output is correct
10	Correct	13 ms	4224 KB	Output is correct
11	Correct	6 ms	384 KB	Output is correct

Subtask #2

76.0 / 76.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	6 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	7 ms	512 KB	Output is correct
5	Correct	29 ms	4352 KB	Output is correct
6	Correct	15 ms	4224 KB	Output is correct
7	Correct	14 ms	4352 KB	Output is correct
8	Correct	30 ms	4224 KB	Output is correct
9	Correct	28 ms	4352 KB	Output is correct
10	Correct	13 ms	4224 KB	Output is correct
11	Correct	17 ms	4352 KB	Output is correct
12	Correct	23 ms	4352 KB	Output is correct
13	Correct	20 ms	4224 KB	Output is correct
14	Correct	6 ms	256 KB	Output is correct
15	Correct	15 ms	4224 KB	Output is correct
16	Correct	5 ms	512 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	7 ms	640 KB	Output is correct
19	Correct	44 ms	4352 KB	Output is correct
20	Correct	29 ms	4352 KB	Output is correct
21	Correct	79 ms	4096 KB	Output is correct
22	Correct	66 ms	4096 KB	Output is correct
23	Correct	92 ms	4352 KB	Output is correct
24	Correct	29 ms	4352 KB	Output is correct
25	Correct	27 ms	4352 KB	Output is correct
26	Correct	33 ms	4352 KB	Output is correct
27	Correct	80 ms	4352 KB	Output is correct
28	Correct	100 ms	4224 KB	Output is correct
29	Correct	93 ms	4352 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	11 ms	640 KB	Output is correct
33	Correct	6 ms	384 KB	Output is correct