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Submission #150624

# Submission time Handle Problem Language Result Execution time Memory
150624 2019-09-01T08:44:15 Z Torat(#3726, Osama_Alkhodairy, mohammedehab2002, mahmoudbadawy) HicCup (FXCUP4_hiccup) C++17
100 / 100
 180 ms 12204 KB 
#include <bits/stdc++.h>
#include "hiccup.h"
//~ #include "grader.cpp"
using namespace std;

const int N = 1000001;

int n;
string s;
vector <int> h;

bool valid(){
    int o = 0;
    for(auto &i : s){
        o += i == 'H';
        o -= i == 'C';
        if(o < 0) return 0;
    }
    if(o) return 0;
    for(auto &i : s){
        if(i == 'H') o = 0;
        else if(i == 'C') o = 1;
        else if(o == 0) return 0;
    }
    return 1;
}
bool check(int x){
    set <int> positive;
    vector <int> g(n);
    for(int i = n - 1 ; i >= 0 ; i--){
        if(s[i] == '!'){
            g[h[i]]++;
            if(g[h[i]] == 1) positive.insert(h[i]);
        }
        else if(s[i] == 'C'){
            if(g[h[i]] < x) return 0;
            g[h[i]] -= x;
            if(g[h[i]] == 0) positive.erase(h[i]);
            while(positive.size() && *positive.rbegin() > h[i]){
                auto it = --positive.end();
                g[*it] = 0;
                positive.erase(it);
            }
        }
    }
    return 1;
}
int HicCup(std::string S) {
    s = S;
    n = s.size();
    if(!valid() || s == string(n, '!')) return -1;
    h.resize(n);
    h[0] = 1;
    for(int i = 1 ; i < n ; i++){
        h[i] = h[i - 1];
        if(s[i] == 'H') h[i]++;
        else if(s[i] == 'C') h[i]--;
        //~ else v[h[i]].push_back(i);
    }
    int l = 0, r = n;
    while(l <= r){
        int mid = (l + r) / 2;
        if(check(mid)) l = mid + 1;
        else r = mid - 1;
    }
    return l - 1;
}

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 6 ms 384 KB Output is correct
4 Correct 7 ms 896 KB Output is correct
5 Correct 58 ms 12204 KB Output is correct
6 Correct 13 ms 4260 KB Output is correct
7 Correct 23 ms 4344 KB Output is correct
8 Correct 56 ms 12204 KB Output is correct
9 Correct 53 ms 12196 KB Output is correct
10 Correct 14 ms 4352 KB Output is correct
11 Correct 6 ms 512 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 6 ms 384 KB Output is correct
4 Correct 7 ms 896 KB Output is correct
5 Correct 58 ms 12204 KB Output is correct
6 Correct 13 ms 4260 KB Output is correct
7 Correct 23 ms 4344 KB Output is correct
8 Correct 56 ms 12204 KB Output is correct
9 Correct 53 ms 12196 KB Output is correct
10 Correct 14 ms 4352 KB Output is correct
11 Correct 14 ms 4352 KB Output is correct
12 Correct 15 ms 4480 KB Output is correct
13 Correct 14 ms 4352 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 16 ms 4352 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 7 ms 640 KB Output is correct
19 Correct 80 ms 12160 KB Output is correct
20 Correct 56 ms 12160 KB Output is correct
21 Correct 74 ms 12204 KB Output is correct
22 Correct 109 ms 11628 KB Output is correct
23 Correct 180 ms 12128 KB Output is correct
24 Correct 53 ms 12204 KB Output is correct
25 Correct 63 ms 12128 KB Output is correct
26 Correct 53 ms 12204 KB Output is correct
27 Correct 72 ms 12128 KB Output is correct
28 Correct 113 ms 11872 KB Output is correct
29 Correct 131 ms 12204 KB Output is correct
30 Correct 6 ms 472 KB Output is correct
31 Correct 6 ms 384 KB Output is correct
32 Correct 10 ms 1408 KB Output is correct
33 Correct 6 ms 512 KB Output is correct