oj.uz

답안 #149085

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
149085 2019-09-01T05:43:13 Z shdut0901(#3758, shdut) HicCup (FXCUP4_hiccup) C++17
24 / 100
 39 ms 11264 KB 
#include "hiccup.h"
#include <iostream>
#include <stdio.h>
#include <string>
#include <string.h>
#include <map>
#include <set>
#include <vector>
#include <queue>
#include <algorithm>
#include <assert.h>

using namespace std;

#define rep(i, a, b) for(int i = a; i < b; i++)
#define per(i, a, b) for(int i = b - 1; i >= a; i--)
#define ll long long
#define x first
#define y second
#define vi vector<int>
#define pii pair<int, int>
#define SZ(x) (int)(x.size())
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
#define mod 1000000007
#define inf 1000000007
#define DBG(x) cerr << (#x) << "=" << x << "\n";

#define N 100005

template<typename U, typename V> void Min(U &a, const V &b){if(a > b) a = b;}
template<typename U, typename V> void Max(U &a, const V &b){if(a < b) a = b;}
template<typename U, typename V> void add(U &a, const V &b){a = (a+b) % mod;}

int get(char c){
	if(c == 'H')return 0;
	else if(c == 'C')return 1;
	else return 2;
}
int HicCup(std::string s) {
	int n = s.size();
	vi from(n), q(n);
	int a[3] = {0};
	rep(i, 0, n){
		a[get(s[i])]++;
	}
	if(a[0] != a[1] || a[0] == 0)return -1;
	if(get(s[0]) != 0)return -1;
	int m = 0, k, last = -1, pos;
	rep(i, 0, n){
		k = get(s[i]);
		if(k == 0){
			q[m++] = i;
			if(last == 0 && pos != i - 1)return -1;
			last = 0, pos = i;
		}
		else if(k == 1){
			if(m == 0)return -1;
			from[i] = q[--m];
			if(last == 0){
				if(from[i] != i-1)return -1;
			}
			last = 1, pos = i;
		}
	}
	if(m)return -1;
	int r = a[2] / a[0];
	int l = 0;
	while(l <= r){
		m = (l + r) >> 1;
		int rem = 0, ok = 1;
		int sz = 0;
		per(i, 0, n){
			k = get(s[i]);
			if(k == 2)rem++;
			else if(k == 1){
				if(rem < m){ok = 0;break;}
				rem -= m;
				sz++;
			}
			else{
				sz--;
				if(sz == 0)rem = 0;
			}
		}
		if(ok)l = m + 1;
		else r = m - 1;
	}
	l--;
	return l;
}

Compilation message

hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:55:17: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
    if(last == 0 && pos != i - 1)return -1;
       ~~~~~~~~~~^~~~~~~~~~~~~~~

Subtask #1
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 768 KB Output is correct
5 Correct 37 ms 11136 KB Output is correct
6 Correct 25 ms 11136 KB Output is correct
7 Correct 26 ms 11136 KB Output is correct
8 Correct 37 ms 11264 KB Output is correct
9 Correct 39 ms 11136 KB Output is correct
10 Correct 25 ms 11136 KB Output is correct
11 Correct 5 ms 384 KB Output is correct

Subtask #2
0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 768 KB Output is correct
5 Correct 37 ms 11136 KB Output is correct
6 Correct 25 ms 11136 KB Output is correct
7 Correct 26 ms 11136 KB Output is correct
8 Correct 37 ms 11264 KB Output is correct
9 Correct 39 ms 11136 KB Output is correct
10 Correct 25 ms 11136 KB Output is correct
11 Correct 25 ms 11136 KB Output is correct
12 Correct 23 ms 11136 KB Output is correct
13 Correct 23 ms 11136 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 21 ms 11136 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 1152 KB Output is correct
19 Incorrect 28 ms 11136 KB Output isn't correct
20 Halted 0 ms 0 KB -