QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#580363 | #9381. 502 Bad Gateway | yywxdgy | AC ✓ | 1054ms | 3788kb | C++14 | 2.1kb | 2024-09-21 21:28:52 | 2024-09-21 21:28:52 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
int n, T;
inline int gcd(int a, int b) { return !b?a:gcd(b,a%b); }
inline int lcm(int a, int b) { return 1ll*a*b/gcd(a,b); }
struct frac {
int so, ma;
frac(int x = 0, int y = 1) { so = x; ma = y; }
inline void hua(void) {
int gg = gcd(so, ma);
if (!gg) return;
so /= gg, ma /= gg;
}
friend frac operator +(frac a, frac b){
int mother = lcm(a.ma, b.ma);
frac c = frac(b.so * a.ma + a.so * b.ma, mother);
return c.hua(), c;
}
friend frac operator +(frac a, int b) { return a+frac(b, 1); }
friend frac operator -(frac a, frac b) {
int mother = lcm(a.ma, b.ma);
frac c = frac(a.so * b.ma - b.so * a.ma, mother);
return c.hua(), c;
}
friend frac operator *(frac a, frac b) {
frac c = frac(a.so * b.so, a.ma * b.ma);
return c.hua(), c;
}
friend frac operator /(frac a, frac b) { b.so ^= b.ma ^= b.so ^= b.ma; return a * b; }
friend frac operator /(frac a, int b) { return a / frac(b, 1); }
friend frac operator /(int a, frac b) { return frac(a, 1) / b; }
friend bool operator <(frac a, frac b) { return 1LL * a.so * b.ma < 1LL * b.so * a.ma; }
friend bool operator >(frac a, frac b) { return 1LL * a.so * b.ma > 1LL * b.so * a.ma; }
friend bool operator <=(frac a, frac b) { return 1LL * a.so * b.ma <= 1LL * b.so * a.ma; }
friend bool operator >=(frac a, frac b) { return 1LL * a.so * b.ma >= 1LL * b.so * a.ma; }
friend bool operator ==(frac a, frac b) { return 1LL * a.so * b.ma == 1LL * b.so * a.ma; }
};
void Work() {
cin >> n;
frac k = frac(sqrt(2 * n), 1);
frac minn = (k + 2 * n / k + 1) / 2 - 1;
frac tmp = (k + 1 + 2 * n / (k + 1) + 1) / 2 - 1;
// printf("minn = %lld/%lld, tmp = %lld/%lld\n", minn.so, minn.ma, tmp.so, tmp.ma);
if (minn > tmp) minn = tmp;
if (minn > frac(n, 1)) minn = frac(n, 1);
printf("%lld %lld\n", minn.so, minn.ma);
}
signed main() {
cin >> T;
while (T --) Work();
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3744kb
input:
3 1 2 3
output:
1 1 3 2 2 1
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 796ms
memory: 3788kb
input:
1000000 1 1000000000 1 1 1000000000 1 1000000000 1 1 1 1000000000 1 1 1000000000 1 1000000000 1000000000 1 1000000000 1 1 1000000000 1 1000000000 1000000000 1 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1 1 1000000000 1 1000000000 1000000000 1000000000 1000000000 1 1 1 10000000...
output:
1 1 1999961560 44721 1 1 1 1 1999961560 44721 1 1 1999961560 44721 1 1 1 1 1 1 1999961560 44721 1 1 1 1 1999961560 44721 1 1 1999961560 44721 1999961560 44721 1 1 1999961560 44721 1 1 1 1 1999961560 44721 1 1 1999961560 44721 1999961560 44721 1 1 1999961560 44721 1999961560 44721 1999961560 44721 19...
result:
ok 1000000 lines
Test #3:
score: 0
Accepted
time: 1054ms
memory: 3692kb
input:
1000000 158260522 877914575 602436426 24979445 861648772 623690081 433933447 476190629 262703497 211047202 971407775 628894325 731963982 822804784 450968417 430302156 982631932 161735902 880895728 923078537 707723857 189330739 910286918 802329211 404539679 303238506 317063340 492686568 773361868 125...
output:
316511467 17791 1755824328 41903 1204845831 34711 49954223 7068 1723292600 41513 623676492 17659 867864517 29460 952375859 30861 262700539 11461 422085442 20545 1942776701 44077 251551941 7093 1463896912 38261 1645584679 40566 901913913 30032 107573492 3667 1965228547 44331 323457022 17985 176178307...
result:
ok 1000000 lines
Extra Test:
score: 0
Extra Test Passed