oj.uz

Submission #149222

# Submission time Handle Problem Language Result Execution time Memory
149222 2019-09-01T06:00:16 Z shdut0901(#3758, shdut) HicCup (FXCUP4_hiccup) C++17
100 / 100
 48 ms 11148 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;
	int r = a[2] / a[0];
	int l = 0;
	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;
			if(last == 0 && q[m-1] != i-1)return -1;
			else if(last == 1){
				Min(r, i - pos - 1);
			}
			m--;
			last = 1, pos = i;
		}
	}
	if(m)return -1;
	while(l <= r){
		m = (l + r) >> 1;
		int rem = 0, ok = 1;
		per(i, 0, n){
			k = get(s[i]);
			if(k == 2)rem++;
			else if(k == 1){
				if(rem < m){ok = 0;break;}
				rem -= m;
			}
		}
		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:57:17: 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

# Verdict Execution time Memory Grader output
1 Correct 5 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 7 ms 896 KB Output is correct
5 Correct 37 ms 11136 KB Output is correct
6 Correct 24 ms 11136 KB Output is correct
7 Correct 24 ms 11136 KB Output is correct
8 Correct 37 ms 11008 KB Output is correct
9 Correct 40 ms 11136 KB Output is correct
10 Correct 25 ms 11148 KB Output is correct
11 Correct 5 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 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 7 ms 896 KB Output is correct
5 Correct 37 ms 11136 KB Output is correct
6 Correct 24 ms 11136 KB Output is correct
7 Correct 24 ms 11136 KB Output is correct
8 Correct 37 ms 11008 KB Output is correct
9 Correct 40 ms 11136 KB Output is correct
10 Correct 25 ms 11148 KB Output is correct
11 Correct 25 ms 11136 KB Output is correct
12 Correct 23 ms 11136 KB Output is correct
13 Correct 22 ms 11108 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 23 ms 11136 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 1152 KB Output is correct
19 Correct 28 ms 11144 KB Output is correct
20 Correct 28 ms 11136 KB Output is correct
21 Correct 30 ms 11136 KB Output is correct
22 Correct 42 ms 10624 KB Output is correct
23 Correct 45 ms 11136 KB Output is correct
24 Correct 28 ms 11136 KB Output is correct
25 Correct 37 ms 11136 KB Output is correct
26 Correct 32 ms 11136 KB Output is correct
27 Correct 29 ms 11136 KB Output is correct
28 Correct 36 ms 10880 KB Output is correct
29 Correct 48 ms 11136 KB Output is correct
30 Correct 6 ms 384 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 7 ms 1280 KB Output is correct
33 Correct 5 ms 384 KB Output is correct