提出 #49973610

ソースコード 拡げる

#include<bits/stdc++.h>
#define int long long
using namespace std;

const int maxn = 1005;

int n,ans;
__int128 a[maxn],b[maxn];
map<pair<__int128,__int128>,int >mp;
char c[maxn][maxn];

signed main()
{
    srand(time(0));
    int P = rand() % 100000000000000000LL;
    int Q = rand() % 100000000000000000LL;
    cin >> n;
    for(int i = 1;i <= n;i++)cin >> c[i];
    for(int i = 1;i <= n;i++)
    {
        int x = 0,y = 0;
        for(int j = 0;c[i][j];j++)
        {
            x = (x * 10 + c[i][j] - '0') % P;
            y = (y * 10 + c[i][j] - '0') % Q;
        }
        a[i] = x;
        b[i] = y;
    }
    for(int i = 1;i <= n;i++)
    {
        for(int j = 1;j <= n;j++)
        {
            mp[make_pair(a[i] * a[j] % P,b[i] * b[j] % Q)]++;
        }
    }
    for(int i = 1;i <= n;i++)
    {
        ans += mp[make_pair(a[i],b[i])];
    }
    cout << ans;
    return 0;
}

提出情報

提出日時
問題 F - Product Equality
ユーザ feather_life
言語 C++ 20 (gcc 12.2)
得点 550
コード長 932 Byte
結果 AC
実行時間 560 ms
メモリ 51768 KiB

ジャッジ結果

セット名 Sample All
得点 / 配点 0 / 0 550 / 550
結果
AC × 3
AC × 80
セット名 テストケース
Sample sample_01.txt, sample_02.txt, sample_03.txt
All hack_01.txt, hack_02.txt, hack_03.txt, hack_04.txt, hack_05.txt, hand_01.txt, sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45.txt, test_46.txt, test_47.txt, test_48.txt, test_49.txt, test_50.txt, test_51.txt, test_52.txt, test_53.txt, test_54.txt, test_55.txt, test_56.txt, test_57.txt, test_58.txt, test_59.txt, test_60.txt, test_61.txt, test_62.txt, test_63.txt, test_64.txt, test_65.txt, test_66.txt, test_67.txt, test_68.txt, test_69.txt, test_70.txt, test_71.txt
ケース名 結果 実行時間 メモリ
hack_01.txt AC 556 ms 51688 KiB
hack_02.txt AC 547 ms 51584 KiB
hack_03.txt AC 560 ms 50884 KiB
hack_04.txt AC 549 ms 50900 KiB
hack_05.txt AC 560 ms 50724 KiB
hand_01.txt AC 2 ms 3924 KiB
sample_01.txt AC 1 ms 3488 KiB
sample_02.txt AC 1 ms 3684 KiB
sample_03.txt AC 1 ms 3684 KiB
test_01.txt AC 1 ms 3600 KiB
test_02.txt AC 1 ms 3564 KiB
test_03.txt AC 545 ms 51528 KiB
test_04.txt AC 548 ms 51504 KiB
test_05.txt AC 29 ms 4560 KiB
test_06.txt AC 228 ms 16808 KiB
test_07.txt AC 533 ms 50932 KiB
test_08.txt AC 553 ms 51680 KiB
test_09.txt AC 551 ms 51568 KiB
test_10.txt AC 29 ms 4564 KiB
test_11.txt AC 238 ms 17400 KiB
test_12.txt AC 530 ms 50684 KiB
test_13.txt AC 504 ms 48008 KiB
test_14.txt AC 539 ms 51412 KiB
test_15.txt AC 548 ms 51608 KiB
test_16.txt AC 547 ms 51768 KiB
test_17.txt AC 560 ms 51700 KiB
test_18.txt AC 387 ms 37108 KiB
test_19.txt AC 513 ms 47992 KiB
test_20.txt AC 544 ms 51252 KiB
test_21.txt AC 545 ms 51388 KiB
test_22.txt AC 529 ms 51444 KiB
test_23.txt AC 551 ms 51484 KiB
test_24.txt AC 405 ms 39232 KiB
test_25.txt AC 560 ms 51436 KiB
test_26.txt AC 556 ms 51276 KiB
test_27.txt AC 528 ms 48848 KiB
test_28.txt AC 543 ms 51304 KiB
test_29.txt AC 545 ms 51488 KiB
test_30.txt AC 542 ms 50712 KiB
test_31.txt AC 409 ms 34836 KiB
test_32.txt AC 560 ms 51688 KiB
test_33.txt AC 167 ms 9376 KiB
test_34.txt AC 525 ms 48592 KiB
test_35.txt AC 547 ms 51476 KiB
test_36.txt AC 540 ms 51280 KiB
test_37.txt AC 547 ms 51528 KiB
test_38.txt AC 548 ms 51392 KiB
test_39.txt AC 532 ms 51588 KiB
test_40.txt AC 11 ms 4564 KiB
test_41.txt AC 1 ms 3672 KiB
test_42.txt AC 5 ms 4196 KiB
test_43.txt AC 84 ms 4760 KiB
test_44.txt AC 85 ms 4748 KiB
test_45.txt AC 86 ms 4804 KiB
test_46.txt AC 87 ms 4736 KiB
test_47.txt AC 88 ms 4932 KiB
test_48.txt AC 88 ms 4860 KiB
test_49.txt AC 88 ms 4748 KiB
test_50.txt AC 89 ms 4788 KiB
test_51.txt AC 89 ms 4740 KiB
test_52.txt AC 81 ms 4684 KiB
test_53.txt AC 69 ms 4632 KiB
test_54.txt AC 58 ms 4548 KiB
test_55.txt AC 116 ms 5228 KiB
test_56.txt AC 105 ms 4912 KiB
test_57.txt AC 76 ms 4780 KiB
test_58.txt AC 68 ms 4584 KiB
test_59.txt AC 57 ms 4708 KiB
test_60.txt AC 115 ms 5192 KiB
test_61.txt AC 89 ms 4812 KiB
test_62.txt AC 78 ms 4788 KiB
test_63.txt AC 70 ms 4596 KiB
test_64.txt AC 59 ms 4696 KiB
test_65.txt AC 116 ms 5132 KiB
test_66.txt AC 94 ms 4812 KiB
test_67.txt AC 76 ms 4620 KiB
test_68.txt AC 70 ms 4596 KiB
test_69.txt AC 58 ms 4628 KiB
test_70.txt AC 116 ms 5232 KiB
test_71.txt AC 88 ms 4932 KiB