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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#589507 | #5301. Modulo Ruins the Legend | xjt05 | WA | 0ms | 3616kb | C++23 | 1.6kb | 2024-09-25 18:12:40 | 2024-09-25 18:12:40 |
Judging History
answer
#include<iostream>
#include<set>
#include<map>
#include<vector>
#include<algorithm>
#include<bitset>
#include<math.h>
#include<string>
#include<string.h>
#include<stack>
#include<queue>
#include<time.h>
#include<random>
using namespace std;
typedef long long ll;
mt19937 rnd(time(0));
ll gcd(ll a, ll b) {
if (b == 0) return a;
else return gcd(b, a % b);
}
ll ksm(ll x, ll y)
{
ll ans = 1;
while (y)
{
if (y & 1)
ans *= x;
x *= x;
y >>= 1;
}
return ans;
}
ll exgcd(ll a, ll b, ll& x, ll& y) {
if (b == 0) {
x = 1, y = 0;
return a;
}
int r = exgcd(b, a % b, x, y);
int t = x;
x = y;
y = t - a / b * y;
return r;
}
void fio()
{
ios::sync_with_stdio();
cin.tie(0);
cout.tie(0);
}
ll a[250000];
int main()
{
fio();
ll t = 1;
while (t--)
{
ll n, m;
ll sum = 0;
cin >> n >> m;
for (ll i = 1; i <= n; i++) {
cin >> a[i];
sum += a[i];
}
sum %= m;
ll x, y;
ll tmp = gcd(n, n * (n + 1) / 2);
exgcd(n, n * (n + 1) / 2, x, y);
ll x1 = x, y1 = y;
ll tt = gcd(tmp, m);
exgcd(tmp, m, x, y);
ll x2 = x, y2 = y;
ll kk = (m - sum + tt - 1) / tt;
ll t1 = sum / tt * tt;
ll t2 = (sum / tt + 1) * tt;
ll k;
bool flag = 0;
if (sum - t1 < t2 - sum) {
flag = 1;
k = t1;
}
else k = t2;
k /= tt;
ll res = min(sum - t1, t2 - sum);
cout << res << endl;
k %= m;
x1 %= m;
x2 %= m;
x1 = x1 * x2;
x1 %= m;
x1 *= k;
x1 %= m;
y1 *= x2;
y1 %= m;
y1 *= k;
y1 %= m;
cout << (x1%m+m)%m << " " << (y1%m+m)%m << endl;
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3616kb
input:
6 24 1 1 4 5 1 4
output:
1 9 5
result:
wrong answer Result not equal to solution.