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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#403743 | #5301. Modulo Ruins the Legend | xiao_hong | WA | 6ms | 3832kb | C++20 | 892b | 2024-05-02 18:17:00 | 2024-05-02 18:17:01 |
Judging History
answer
#include<bits/stdc++.h>
#define IOS cin.tie(0),cout.tie(0),ios::sync_with_stdio(0)
//#define int __int128
typedef __int128 ll;
using namespace std;
int n,k,m;
int sum=0;
ll exgcd(ll a, ll b, __int128 &x, __int128 &y) {
if(!a) {
x = 0, y = 1;
return b;
}
ll d = exgcd(b % a, a, y, x);
x -= b / a * y;
return d;
}
void solve()
{
__int128 s,d;
cin>>n>>m;
for(int t=1;t<=n;t++)
{
int yy;cin>>yy;
sum+=yy;
}
int g=__gcd(n,n*(n+1)/2);
int gg=__gcd(g,m);
__int128 k1,k2;
exgcd(m,g,k1,k2);
__int128 k3=-sum/gg;
int ans=k3*gg+sum;
k1*=k3,k2*=k3;
exgcd(n,n*(n+1)/2,s,d);
s*=(ans-sum-k1*m)/g;
d*=(ans-sum-k1*m)/g;
s=(s%m+m)%m;d=(d%m+m)%m;//防止s d值超过m
cout<<ans<<endl;
cout<<(long long)s<<" "<<(long long)d<<endl;
}
int main()
{
IOS;
int T=1;
//cin>>T;
while(T--)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
input:
6 24 1 1 4 5 1 4
output:
1 15 19
result:
ok ok
Test #2:
score: 0
Accepted
time: 0ms
memory: 3820kb
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: 3548kb
input:
1 1 0
output:
0 0 0
result:
ok ok
Test #4:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
1 1000000000 963837005
output:
0 36162995 0
result:
ok ok
Test #5:
score: 0
Accepted
time: 0ms
memory: 3548kb
input:
2 1 0 0
output:
0 0 0
result:
ok ok
Test #6:
score: 0
Accepted
time: 0ms
memory: 3832kb
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: 6ms
memory: 3616kb
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:
5 944450996 610576796
result:
wrong answer Result not equal to solution.