oj.uz

답안 #150186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
150186 2019-09-01T07:51:28 Z Avengers(#3759, Blagojce) HicCup (FXCUP4_hiccup) C++17
24 / 100
 90 ms 38780 KB 
#include <bits/stdc++.h>
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define pb push_back
#define st first
#define nd second
#define pq priority_queue
#define all(x) begin(x), end(x)

using namespace std;
typedef long long ll;

#include "hiccup.h"
vector<int> nums[1000006];
vector<int> v;
bool ok(int x, int id){
        v = nums[id];
        int p2 = v.size() - 1;
        int p1 = 0;
        int N = v.size();
        while(p1 <= p2){
                while(p1 < N && v[p1] >= x) p1 ++;
                while(p2 >= 0 && v[p2] == x) p2 --;
                if(p1 > p2) break;
                if(p1 == p2) return false;
                if(v[p2] - x >= x - v[p1]){
                        v[p2] -= (x - v[p1]);
                        v[p1] = x;

                }
                else{
                        p2 --;
                }
        }

        return true;
}
int HicCup(std::string s) {
	int n = s.size();
	int cnt[n];
	int c =  0;
	for(int i = n - 1; i >= 0; i --){
                if(s[i] == '!') c ++;
                cnt[i] = c;
                if(s[i] == 'C') c = 0;
                else if(s[i] == 'H' && c > 0) return -1;
	}

	if(c > 0) return -1;
	stack <int> S;
	S.push(0);
	int ANS = n;
	fr(i, 0, n){
                if(s[i] == 'H') S.push(i + 1);
                else if(s[i] == 'C'){
                        if((int)(S.size()) == 1) return -1;
                        int id = S.top();
                        S.pop();
                        nums[(int)S.top()].pb(cnt[i]);
                        if(nums[id].empty()) continue;
                        int k = 0;
                        for(int b = ANS / 2; b >= 1; b /= 2){
                                while(k + b <= ANS && ok(k + b, id)) k += b;
                        }
                        ANS = min(ANS, k);


                 }
	}
        if((int)S.size() > 1)return -1;
        if(!nums[0].empty()){
                int k = 0;
                for(int b = ANS / 2; b >= 1; b /= 2){
                        while(k + b <= ANS && ok(k + b, 0)) k += b;
                }
                ANS = min(ANS, k);
        }
        return ANS;
}/*
int main(){
        cout << HicCup("HC!!HHC!HC!!!C!!!");
}
*/

Subtask #1
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 23808 KB Output is correct
2 Correct 21 ms 23808 KB Output is correct
3 Correct 25 ms 23936 KB Output is correct
4 Correct 29 ms 24448 KB Output is correct
5 Correct 88 ms 38780 KB Output is correct
6 Correct 36 ms 30744 KB Output is correct
7 Correct 43 ms 30720 KB Output is correct
8 Correct 84 ms 38780 KB Output is correct
9 Correct 90 ms 38776 KB Output is correct
10 Correct 37 ms 30720 KB Output is correct
11 Correct 20 ms 23832 KB Output is correct

Subtask #2
0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 23808 KB Output is correct
2 Correct 21 ms 23808 KB Output is correct
3 Correct 25 ms 23936 KB Output is correct
4 Correct 29 ms 24448 KB Output is correct
5 Correct 88 ms 38780 KB Output is correct
6 Correct 36 ms 30744 KB Output is correct
7 Correct 43 ms 30720 KB Output is correct
8 Correct 84 ms 38780 KB Output is correct
9 Correct 90 ms 38776 KB Output is correct
10 Correct 37 ms 30720 KB Output is correct
11 Correct 30 ms 26880 KB Output is correct
12 Correct 27 ms 27520 KB Output is correct
13 Correct 35 ms 29440 KB Output is correct
14 Correct 19 ms 23808 KB Output is correct
15 Correct 41 ms 30712 KB Output is correct
16 Correct 22 ms 23896 KB Output is correct
17 Correct 19 ms 23808 KB Output is correct
18 Correct 20 ms 24064 KB Output is correct
19 Incorrect 36 ms 30720 KB Output isn't correct
20 Halted 0 ms 0 KB -