QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#770504 | #9597. Grade 2 | Alucard | WA | 313ms | 100460kb | C++14 | 2.6kb | 2024-11-21 22:07:46 | 2024-11-21 22:07:47 |
Judging History
answer
#include <bits/stdc++.h>
#include <iostream>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;
#define i128 _int128
#define fi first
#define se second
#define pb push_back
#define endl '\n'
#define int long long
const ll INF = 0x3f3f3f3f;
const int N = 4e6 + 9, M = 1e9 + 9;
const ll mod = 998244353;
int read()
{
int s = 0, w = 1;
char c = getchar();
while (!isdigit(c))
(c == '-') ? w = -1 : w = 1, c = getchar();
while (isdigit(c))
s = (s << 1) + (s << 3) + (c ^ 48), c = getchar();
return s * w;
}
int qpow(int a, int b)
{
a %= mod;
int res = 1;
while (b)
{
if (b & 1)
{
res = (res * a) % mod;
}
a = (a * a) % mod;
b >>= 1;
}
return res % mod;
}
int gcd(int a, int b)
{
if (b == 0)
return a;
else
return gcd(b, a % b);
}
// int inverse(int a){
// a%=mod;
// return qpow(fac[a%mod],mod-2)%mod;
// }
// int C(int n,int r){
// n%=mod,r%=mod;
// if(r>n)return 0;
// return ((fac[n%mod]*inverse(r))%mod*inverse(n-r))%mod;
// }
// int Lucas(int n,int r){
// if(r==0)return 1;
// return C(n%mod,r%mod)%mod*Lucas(n/mod,r/mod)%mod;
// }
int x, n, mini_sum, l, r, ans;
map<int, int> res;
int prefix[N];
void solve()
{
cin >> x >> n;
int p = 1;
ans = 0;
memset(prefix, 0, sizeof(prefix));
while (p < x)
p *= 2;
int fid = 0, lid = 0;
for (int i = 1; i <= p; ++i)
{
if (gcd(((i * x) ^ x), x) == 1)
{
// cout<<i<<endl;
res[i] = 1;
mini_sum++;
if (fid == 0)
fid = i;
lid = i;
}
prefix[i] = prefix[i - 1] + res[i];
}
// for(int i=1;i<=p;++i){
// cout<<i<<'-'<<prefix[i]<<endl;
// }
// cout<<fid<<' '<<lid<<endl;
while (n--)
{
cin >> l >> r;
if (!x & 1)
ans = 0;
else
{
int cl=ceil((double)l/p),cr=r/p;
if(p*cl<=p*cr){
ans=mini_sum*(cr-cl);
ans+=prefix[r%p];
}
ans+=prefix[min(r,cl*p-1)%p]-prefix[(l-1)%p];
cout << ans << endl;
}
}
}
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int _ = 1;
// fac[0]=1;
// for(int i=1;i<=N-9;++i)fac[i]=(fac[i-1]*i)%mod;
// cin>>_;
while (_--)
solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 34856kb
input:
15 2 1 4 11 4514
output:
2 2252
result:
ok 2 lines
Test #2:
score: 0
Accepted
time: 146ms
memory: 67648kb
input:
500696 100000 110442401300 646889080214 337192 670162015551 508011001649 508011014425 94418501628 94418501634 824168677375 824168677376 732815842309 795402573302 353241304050 846773277757 622033633276 622033633284 760381702139 760381702143 207714 795408271057 382792 952061527685 686173 331215904334 ...
output:
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 0 0 0 0 ...
result:
ok 100000 lines
Test #3:
score: 0
Accepted
time: 157ms
memory: 67696kb
input:
465262 100000 119442423888 249533375982 528365238401 528365275157 654839906300 654839906303 135820863700 135820967840 336231 918143221477 568175915485 568176067832 993015103483 993015103488 951474 444595379179 298623434750 298623434751 257961 410491919396 996297715292 996297994388 17765498878 177654...
output:
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 0 0 0 0 ...
result:
ok 100000 lines
Test #4:
score: 0
Accepted
time: 313ms
memory: 100460kb
input:
599394 100000 683408 868635908987 347999512025 347999739145 740945 377178907084 399211757563 399211757568 766968 548821086083 630762 702128377806 756554924031 756554924036 904713771313 904714518208 17026878789 17027129255 11601638470 206412869961 253365321722 253365321730 785476956554 785477402085 2...
output:
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 0 0 0 0 ...
result:
ok 100000 lines
Test #5:
score: -100
Wrong Answer
time: 93ms
memory: 51300kb
input:
255255 100000 693776785134 693776920782 174578728959 174578728960 109045569231 631173362385 470661333171 470661439492 401883 183360880923 436203696728 436203931780 165055 339075075373 640081 299360395352 864237441330 864237509663 730335563579 730335652091 194265481215 194265481219 40664920117 406649...
output:
48406 1 186110004314 186110042273 65357983202 65358067017 120861662355 106705381500 106705405827 106705437383 2 13699 41780 260202193146 52511483770 4 46174459075 3 175347987986 2 47911 258154440479 327427357801 2 22470 77402 46381156133 45666301683 94552873123 94552928366 2 152254920558 2 109713294...
result:
wrong answer 4th lines differ - expected: '37959', found: '186110042273'