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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#729357#9597. Grade 2yzhx#WA 154ms11476kbC++20948b2024-11-09 16:58:582024-11-09 16:58:58

Judging History

你现在查看的是最新测评结果

  • [2024-11-09 16:58:58]
  • 评测
  • 测评结果:WA
  • 用时:154ms
  • 内存:11476kb
  • [2024-11-09 16:58:58]
  • 提交

answer

#include <iostream>
#include <math.h>
#include <vector>
#include <functional>
#include <stdlib.h>
using namespace std;

using ll = long long;

ll gcd(ll i , ll j){
    return j == 0 ? i : gcd(j , i % j);
}

void slove(){
    ll x , n;
    cin >> x >> n;
    ll range = 1 << 21;
    vector<int> pre(range);
    pre[0] = 1;
    for (ll i = 1 ; i < pre.size() ; i++){
        pre[i] = pre[i - 1];

        ll tmp = i * x;
        tmp = (tmp + x) - (tmp ^ x);
        if (gcd(tmp , x) != 1) pre[i]++;
    
    }

    function<ll(ll)> cal = [&](ll up){
        ll ans = 0;
        ans = (up / range) * pre.back();
        ans += pre[up % range];
        return ans;
    };

    while(n--){
        ll l , r;
        cin >> l >> r;
        ll res = cal(r) - cal(l - 1);
        cout << res << "\n";
    }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    slove();
}

详细

Test #1:

score: 100
Accepted
time: 16ms
memory: 11476kb

input:

15 2
1 4
11 4514

output:

2
2252

result:

ok 2 lines

Test #2:

score: -100
Wrong Answer
time: 154ms
memory: 11272kb

input:

500696 100000
110442401300 646889080214
337192 670162015551
508011001649 508011014425
94418501628 94418501634
824168677375 824168677376
732815842309 795402573302
353241304050 846773277757
622033633276 622033633284
760381702139 760381702143
207714 795408271057
382792 952061527685
686173 331215904334
...

output:

536446678915
670161678360
12777
7
2
62586730994
493531973708
9
5
795408063344
952061144894
331215218162
8
25762
326860918364
5
56530
965533426782
854261347660
913963368493
553307119217
968734070526
286712511447
149883
5
20525921327
473160069017
8
352660
25791
4
337551905924
689087236686
11577
11
672...

result:

wrong answer 1st lines differ - expected: '0', found: '536446678915'