Submission #1110183

#	Time	Username	Problem	Language	Result	Execution time	Memory
1110183		vjudge1	Fish 3 (JOI24_fish3)	C++17	0 / 100	538 ms	13896 KiB

Main

#include<bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pb push_back
using namespace std;
ll n,d,q,a[300005],du[300005],b[300005],c[300005];
bool sub2=true;
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
//	freopen(".INP","r",stdin);
//	freopen(".OUT","w",stdout);
	cin>>n>>d;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
		if(a[i]==1) b[i]=b[i-1]+1;
		else b[i]=0;
		c[i]=c[i-1]+a[i];
	}
	cin>>q;
	while(q--)
	{
		bool kt=true;
		int l,r;
		cin>>l>>r;
		if(c[r]-c[l-1]-b[r]>0&&d>1) cout<<-1<<endl;
		else
		cout<<c[r]-c[l-1]-b[r]<<endl;
	}
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:26:8: warning: unused variable 'kt' [-Wunused-variable]
   26 |   bool kt=true;
      |        ^~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 7
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 36