Submission #1360177

#	Time	Username	Problem	Language	Result	Execution time	Memory
1360177		MuhammadSaram	Street Lamps (APIO19_street_lamps)	C++20	20 / 100	5091 ms	589824 KiB

street_lamps

#include <bits/stdc++.h>

using namespace std;

int main()
{
	int n,q;
	cin>>n>>q;
	string tog[q+1];
	cin>>tog[0];
	for (int i=1;i<=q;i++)
	{
		string s;
		cin>>s;
		tog[i]=tog[i-1];
		if (s=="toggle")
		{
			int x;
			cin>>x;x--;
			tog[i][x]='1'-tog[i][x]+'0';
		}
		else
		{
			int a,b;
			cin>>a>>b;a--, b--;
			int ans=0;
			for (int j=0;j<i;j++)
			{
				bool pos=1;
				for (int k=a;k<b;k++)
					if (tog[j][k]=='0')
					{
						pos=0;
						break;
					}
				ans+=pos;
			}
			cout<<ans<<endl;
		}
	}


	return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20