oj.uz

답안 #151350

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
151350 2019-09-02T14:20:47 Z apostoldaniel854 HicCup (FXCUP4_hiccup) C++17
0 / 100
 2 ms 376 KB 
#include <bits/stdc++.h>

using namespace std;

#define HOME1


const int N = 1e6;
int stk[1 + N];

bool check (int x, string &s) {
    int top = 0;
    for (int i = 0; i < s.size (); i++) {
        if (s[i] == 'H') {
            top++;
            stk[top] = 1;
        }
     //   cout << top << "\n";
        if (s[i] == 'C') {
            if (stk[top] != 1) return false;
            stk[top] = 2;
            if (x == 0)
                top--;
        }
        if (s[i] == '!' && top) {
            if (stk[top] < 2) continue;
            stk[top]++;
            if (stk[top] - 2 == x)
                top--;
        }
    }
    return top == 0;
}

int HicCup (string s) {
    int l, r, ans;
    l = 0; r = s.size ();
    ans = 0;
    while (l <= r) {
        int mid = (l + r) / 2;
        if (check (mid, s)) ans = mid, l = mid + 1;
        else r = mid - 1;
    }
    assert (ans != -1);
    return ans;
}
#ifdef HOME
int main() {
    cout << HicCup("HC!!HHC!HC!!!C!!!") << "\n";
    return 0;
}
#endif

Compilation message

hiccup.cpp: In function 'bool check(int, std::__cxx11::string&)':
hiccup.cpp:13:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < s.size (); i++) {
                     ~~^~~~~~~~~~~

Subtask #1
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -