Submission #47014

#	Time	Username	Problem	Language	Result	Execution time	Memory
47014		vanogam	Worst Reporter 3 (JOI18_worst_reporter3)	C++14	19 / 100	1743 ms	98528 KiB

worst_reporter3

#include<bits/stdc++.h>
using namespace std;
int a,s,d[500005],f,g,h,j,k,l,i,n,m;
int pos(int idx){
    return -idx+h/d[idx]*d[idx];
}
int main(){
    ios_base::sync_with_stdio(0);
    cin>>n>>m;
    d[0]=1;
    for(i=1;i<=n;i++){
        cin>>a;
        d[i]=(a+d[i-1]-1)/d[i-1]*d[i-1];
        //cout<<"*"<<d[i]<<endl;
    }


    for(i=0;i<m;i++){
        cin>>h>>a>>s;
        int l=-1,r=n+1,p1,p2;

        while(r-l>1){
            int k=(l+r)/2;
            //cout<<"*"<<k<<" "<<h<<" "<<pos(k)<<endl;cout<<"#";
            if(pos(k)<a) {r=k;} else l=k;
        }
        p1=l;
        l=-1;r=n+1;
        while(r-l>1){
            int k=(l+r)/2;//cout<<"   *"<<k<<" "<<h<<" "<<pos(k)<<endl;
            if(pos(k)<=s) {r=k;} else l=k;
        }
        p2=l;

        cout<<p1-p2<<endl;
    }
}

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 0 / 81