oj.uz

Submission #1011301

# Submission time Handle Problem Language Result Execution time Memory
1011301 2024-06-30T10:01:11 Z pcc Toilets (JOI16_toilets) C++17
36 / 100
 6 ms 3608 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long

string s;
vector<ll> pos[2];
ll N,M;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
	cin>>N>>M;
	if(N>1e6)return 0;
	for(int i = 0;i<M;i++){
		string t;
		int c;
		cin>>t>>c;
		while(c--)s += t;
	}
	reverse(s.begin(),s.end());
	pos[0].push_back(-1);
	for(int i = 0;i<s.size();i++){
		pos[s[i] == 'M'].push_back(i);
	}
	while(pos[0].size()>pos[1].size())pos[0].pop_back();
	if(pos[0].size()<pos[1].size()){
		cout<<"-1\n";
		return 0;
	}
	ll ans = 0;
	for(int i = 0;i<pos[0].size();i++){
		auto it = upper_bound(pos[1].begin(),pos[1].end(),pos[0][i])-pos[1].begin();
		ans = max(ans,1ll*it-i);
	}
	cout<<ans<<'\n';
	return 0;
}

Compilation message

toilets.cpp: In function 'int main()':
toilets.cpp:23:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for(int i = 0;i<s.size();i++){
      |                ~^~~~~~~~~
toilets.cpp:32:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for(int i = 0;i<pos[0].size();i++){
      |                ~^~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 456 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 456 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 5 ms 2464 KB Output is correct
24 Correct 5 ms 2828 KB Output is correct
25 Correct 5 ms 2840 KB Output is correct
26 Correct 3 ms 3100 KB Output is correct
27 Correct 3 ms 3100 KB Output is correct
28 Correct 5 ms 2844 KB Output is correct
29 Correct 5 ms 3608 KB Output is correct
30 Correct 5 ms 3152 KB Output is correct
31 Correct 5 ms 2844 KB Output is correct
32 Correct 5 ms 2844 KB Output is correct
33 Correct 3 ms 3120 KB Output is correct
34 Correct 3 ms 3100 KB Output is correct
35 Correct 6 ms 2816 KB Output is correct
36 Correct 5 ms 2600 KB Output is correct
37 Correct 3 ms 3096 KB Output is correct
38 Correct 3 ms 3088 KB Output is correct
39 Correct 4 ms 2716 KB Output is correct
40 Correct 4 ms 3608 KB Output is correct

Subtask #3
0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 456 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 5 ms 2464 KB Output is correct
24 Correct 5 ms 2828 KB Output is correct
25 Correct 5 ms 2840 KB Output is correct
26 Correct 3 ms 3100 KB Output is correct
27 Correct 3 ms 3100 KB Output is correct
28 Correct 5 ms 2844 KB Output is correct
29 Correct 5 ms 3608 KB Output is correct
30 Correct 5 ms 3152 KB Output is correct
31 Correct 5 ms 2844 KB Output is correct
32 Correct 5 ms 2844 KB Output is correct
33 Correct 3 ms 3120 KB Output is correct
34 Correct 3 ms 3100 KB Output is correct
35 Correct 6 ms 2816 KB Output is correct
36 Correct 5 ms 2600 KB Output is correct
37 Correct 3 ms 3096 KB Output is correct
38 Correct 3 ms 3088 KB Output is correct
39 Correct 4 ms 2716 KB Output is correct
40 Correct 4 ms 3608 KB Output is correct
41 Incorrect 0 ms 348 KB Output isn't correct
42 Halted 0 ms 0 KB -