oj.uz

답안 #917143

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
917143 2024-01-27T09:54:15 Z alexdd Worst Reporter 3 (JOI18_worst_reporter3) C++17
12 / 100
 2000 ms 8744 KB 
#include<bits/stdc++.h>
using namespace std;
/*ifstream fin("input.in");
ofstream fout("output.out");
#define cin fin
#define cout fout*/
#define int long long
int n,q;
int d[500005];
int p[500005];
bool ismare[500005];
int calc_cur(int i, int ult)
{
    return -i + ((ult + i - 1)/p[i]) * p[i];
}
void calc_p()
{
    int mxm=d[1];
    p[1]=d[1];
    ismare[1]=1;
    for(int i=2;i<=n;i++)
    {
        if(d[i]>=mxm)
        {
            mxm=((d[i]-1)/mxm + 1)*mxm;
            p[i]=mxm;
            ismare[i]=1;
        }
        else
        {
            ismare[i]=0;
        }
    }
}
signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n>>q;
    for(int i=1;i<=n;i++)
        cin>>d[i];
    calc_p();
    int le,ri,t;
    while(q--)
    {
        cin>>t>>le>>ri;
        int cnt=0,mxm=0,ult=t;
        if(le<=t && t<=ri)
            cnt++;
        for(int i=1;i<=n;i++)
        {
            int cur;
            if(ismare[i])
            {
                cur=calc_cur(i,t-(i-1));
            }
            else
            {
                cur=ult-1;
            }
            ult=cur;
            if(cur<le)
                break;
            if(cur<=ri)
                cnt++;
        }
        cout<<cnt<<"\n";
    }
    return 0;
}

Compilation message

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:46:19: warning: unused variable 'mxm' [-Wunused-variable]
   46 |         int cnt=0,mxm=0,ult=t;
      |                   ^~~

Subtask #1
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2028 ms 8744 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct

Subtask #3
0 / 81.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2028 ms 8744 KB Time limit exceeded
2 Halted 0 ms 0 KB -