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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#628680#5301. Modulo Ruins the LegendSound_MediumWA 7ms3704kbC++231.7kb2024-10-10 21:38:402024-10-10 21:38:41

Judging History

你现在查看的是最新测评结果

  • [2024-10-10 21:38:41]
  • 评测
  • 测评结果:WA
  • 用时:7ms
  • 内存:3704kb
  • [2024-10-10 21:38:40]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
using namespace std;
int n, m;
int s,d;
int xx,yy;
int exgcd(int a, int b, int &x, int &y)// 拓欧
{
    if (b == 0)
    {
        x = 1;
        y = 0;
        return a;
    }
    int d = exgcd(b, a % b, y, x);
    y -= (a / b) * x;
    return d;
}
int e;
void extend_gcd(int a, int b, int& d, int& x, int& y)
{
    if(!b){ d = a; x = 1; y = 0; }
    else { extend_gcd(b, a%b,d, y, x); y -= x*(a/b);}
}


void solve () {
    cin>>n>>m;
    int sum=0;
    for(int i=1;i<=n;i++){
        int x;
        cin>>x;
        sum+=x;
    }
    int a=n,b=(n+1)*n/2;
    int k=gcd(a,b);
    exgcd(a,b,s,d);
    s=(s%m+m)%m;
    d=(d%m+m)%m;
    // extend_gcd(a,b,e,s,d);
    // int b1=b/k;
    // s=(s+b1)*(e/k);
    // s=(s % b1 + b1) % b1;
    // d=(e - a*s) / b;
    int res=exgcd(k,m,xx,yy);
    xx=(((-sum%m)/res*xx)%m+m)%m;
    cout<<(((sum)%m+a*s*xx%m+b*d*xx%m)%m)<<endl;
    cout<<(s*xx%m)<<" "<<(d*xx%m)<<endl;
    // // work(a,b,(a*s+b*d)%m,s,d);
    // cerr<<s<< " "<<d<<endl;
    // int mi1=sum%m;
    // if(mi1==0){
    //     cout<<0<<endl<<0<<" "<<0<<endl;
    //     return ;
    // }
    // int mi2=m-sum%m;
    // if(mi2%k==0){
    //     cout<<0<<endl<<mi2/k*s<<" "<<mi2/k*d<<endl;
    //     return ;
    // }
    // else{
    //     mi2/=k;
    //     mi2=(sum+(mi2+1)*k)%m;
    //     if(mi1<=mi2){
    //         cout<<mi1<<endl<<0<<" "<<0<<endl;
    //     }
    //     else{
    //         cout<<mi2<<endl<< (mi2+1)*s<<" "<<(mi2+1)*d <<endl;
    //     }
    // }

}
signed main () {
    int T = 1; 
    std::ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
    //cin>>T;
    while (T --) solve ();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3648kb

input:

6 24
1 1 4 5 1 4

output:

1
15 19

result:

ok ok

Test #2:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

7 29
1 9 1 9 8 1 0

output:

0
0 0

result:

ok ok

Test #3:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

1 1
0

output:

0
0 0

result:

ok ok

Test #4:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

1 1000000000
963837005

output:

0
0 36162995

result:

ok ok

Test #5:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

2 1
0 0

output:

0
0 0

result:

ok ok

Test #6:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

2 1000000000
948507269 461613424

output:

0
410120693 589879307

result:

ok ok

Test #7:

score: 0
Accepted
time: 3ms
memory: 3644kb

input:

100000 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

0
0 0

result:

ok ok

Test #8:

score: -100
Wrong Answer
time: 7ms
memory: 3636kb

input:

100000 1000000000
253614966 278270960 980235895 498158918 928430170 216003119 852570558 948400590 239257296 897053667 294741176 38297441 382677590 406314557 609468973 854148232 314532767 738191551 158215002 5865825 920471826 380037058 356271728 749175327 28319049 208101105 953758995 896570758 521930...

output:

520736277
535950000 999989281

result:

wrong answer Result not equal to solution.