#include <bits/stdc++.h>
using namespace std;
#include "hiccup.h"
int HicCup(std::string s) {
s.insert(s.begin(), 'H');
s.push_back('C');
int n = s.size();
int c = 0;
for(int i = 0; i < n; i++)
{
if(s[i] == 'H')
c++;
else if(s[i] == 'C')
c--;
if(c < 0)
return -1;
}
if(c != 0)
return -1;
return 0;
int l = 0;
int r = n;
while(l <= r)
{
int x = (l + r + 1) / 2;
bool ok = 1;
bool u = 0;
int t = 0;
stack<vector<int>> stk;
stk.push(vector<int>());
for(int i = 0; i < n; i++)
{
if(s[i] == 'H')
{
if(i != 0)
{
stk.top().push_back(t);
t = 0;
}
stk.push(vector<int>());
u = 0;
}
else if(s[i] == 'C')
{
stk.top().push_back(t);
t = 0;
assert(stk.top()[0] == 0);
int sz = stk.top().size();
int cnt = 0;
for(int j = sz - 1; j >= 1; j--)
{
cnt += stk.top()[j];
cnt -= x;
if(cnt < 0)
{
ok = 0;
break;
}
}
if(!ok)
break;
stk.pop();
u = 1;
}
else
{
if(!u)
{
assert(0);
return -1;
}
t++;
}
}
if(l == r)
{
assert(ok);
assert(l == 0);
return l;
}
if(ok)
l = x;
else
r = x - 1;
}
assert(0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |