Submission #242203

#	Time	Username	Problem	Language	Result	Execution time	Memory
242203		dwsc	Worst Reporter 3 (JOI18_worst_reporter3)	C++14	0 / 100	649 ms	7672 KiB

worst_reporter3

#include <bits/stdc++.h>
#define int long long
using namespace std;
main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n,q;
    cin >> n >> q;
    int arr[n+1];
    arr[0] = 1;
    for (int i = 1; i <= n; i++){
        cin >> arr[i];
        arr[i] = ((arr[i]+arr[i-1]-1)/arr[i-1])*arr[i-1];
        //cout << arr[i] << "\n";
    }
    for (int i = 0; i < q; i++){
        int l,r,t;
        cin >> t>> l >> r;
        int lo1 = 0,hi1 = n+1;
        int ans1 = -1;
        while (lo1 != hi1){
            int m = (lo1+hi1)/2;
            int travel = (t/arr[m])*arr[m];
            int newcoord = -m+travel;
            if (newcoord <= r){
                hi1 = m;
                ans1 = m;
            }
            else{
                lo1 = m+1;
            }
        }
        int lo2 = 0,hi2 = n+1;
        int ans2 = -1;
        while (lo2 != hi2){
            int m = (lo2+hi2)/2;
            int travel = (t/arr[m])*arr[m];
            int newcoord = -m+travel;
            if (newcoord >= l){
                lo2 = m+1;
                ans2 = m;
            }
            else{
                hi2 = m;
            }
        }
       // cout << ans1 << " " << ans2 << "hi\n";
       if (ans1 < 0 || ans2 < 0) cout << 0 << "\n";
        cout << max(ans2-ans1+1,0LL) << "\n";
    }
}

Compilation message (stderr)

worst_reporter3.cpp:4:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

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