oj.uz

Submission #84499

# Submission time Handle Problem Language Result Execution time Memory
84499 2018-11-15T17:41:02 Z Pajaraja Election (BOI18_election) C++17
28 / 100
 26 ms 1396 KB 
#include <bits/stdc++.h>
using namespace std;
string s;
int a[2007];
int main()
{
	int n,q;
	cin>>n;
	cin>>s;
	cin>>q;
	for(int i=0;i<q;i++)
	{
		int l,r;
		cin>>l>>r;
		int m=r-l+1,sum=0,t=0;
		for(int i=l;i<=r;i++) a[i-l]=s[i-1]=='T'?-1:1;
		for(int i=0;i<m;i++) 
		{
			sum+=a[i];
			if(sum<0) {sum=0; a[i]=0; t++;}
		}
		sum=0;
		for(int i=m-1;i>=0;i--) 
		{
			sum+=a[i];
			if(sum<0) {sum=0; a[i]=0; t++;}
		}
		cout<<t<<endl;
	}
}

Subtask #1
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 380 KB Output is correct
2 Correct 10 ms 388 KB Output is correct
3 Correct 10 ms 488 KB Output is correct
4 Correct 26 ms 580 KB Output is correct
5 Correct 11 ms 600 KB Output is correct

Subtask #2
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 380 KB Output is correct
2 Correct 10 ms 388 KB Output is correct
3 Correct 10 ms 488 KB Output is correct
4 Correct 26 ms 580 KB Output is correct
5 Correct 11 ms 600 KB Output is correct
6 Runtime error 5 ms 1396 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 380 KB Output is correct
2 Correct 10 ms 388 KB Output is correct
3 Correct 10 ms 488 KB Output is correct
4 Correct 26 ms 580 KB Output is correct
5 Correct 11 ms 600 KB Output is correct
6 Runtime error 5 ms 1396 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Halted 0 ms 0 KB -