Submission #502617

#	Time	Username	Problem	Language	Result	Execution time	Memory
502617		stefantaga	Street Lamps (APIO19_street_lamps)	C++14	20 / 100	2 ms	584 KiB

street_lamps

#include <bits/stdc++.h>

using namespace std;
int v[105][105],n,q,x,y,i,j,t;
int main()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(0);
    #ifdef HOME
    ifstream cin("date.in");
    ofstream cout("date.out");
    #endif // HOME
    cin>>n>>q;
    for (i=1;i<=n;i++)
    {
        char ch;
        cin>>ch;
        v[i][0]=ch-'0';
    }
    for (i=1;i<=q;i++)
    {
        char tip[15];
        cin>>tip;
        if (strcmp(tip,"query")==0)
        {
            cin>>x>>y;
            for (j=1;j<=n;j++)
            {
                v[j][i]=v[j][i-1];
            }
            int ok=0;
            for (j=0;j<i;j++)
            {
                int sum=0;
                for (t=x;t<y;t++)
                {
                    sum=sum+v[t][j];
                }
                if (sum==y-x)
                {
                    ok++;
                }
            }
            cout<<ok<<'\n';
        }
        else
        {
            cin>>x;
            for (j=1;j<=n;j++)
            {
                v[j][i]=v[j][i-1];
            }
            v[x][i]=1-v[x][i];
        }
    }
    return 0;
}

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