// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
#include "Alice.h"
using namespace std;
using ll = long long;
using ld = long double;
using pii = pair<int,int>;
ll N = 5000;
ld seed0 = 0.1434;
ld seed = seed0;
ld getseed() {
seed = 3.67*seed*(1.0-seed);
return seed;
}
ll getrng(ll x) { //random integer in [0,x-1]
return (((ll) round(10000000000*getseed()))%x);
}
ll l2(ll x) {
return (31-__builtin_clz(x));
}
/*ll setN(int Q) {
return 143414341434143469;
}*/
void rngreset() {
seed=seed0;
}
vector<pii> Alice() {
ll X = setN((int) N);
vector<pii> vout;
vector<bool> xv;
ll E = 60;
for (ll e=59;e>=0;e--) {
xv.push_back((X>>e)%2);
}
for (ll n=1;n<N;n++) {
ll D = l2(n)-1;
ll val = 0;
for (ll d=0;d<D;d++) {
ll e = getrng(E);
val += xv[e]*(1LL<<d);
}
vout.push_back({val+1,n+1});
}
rngreset();
return vout;
}
long long Bob(vector<pii> V) {
ll vals[N];
for (ll i=0;i<N;i++) {
vals[i]=-1;
}
for (pii p0: V) {
vals[p0.second-1]=p0.first-1;
}
vector<ll> xv;
ll E = 60;
for (ll e=59;e>=0;e--) {
xv.push_back(-1);
}
for (ll n=1;n<N;n++) {
ll D = l2(n)-1;
for (ll d=0;d<D;d++) {
ll e = getrng(E);
//val += xv[e]*(1LL<<d);
if (vals[n]!=-1) {
xv[e]=(vals[n]>>d)%2;
}
}
}
ll X = 0;
for (ll e=0;e<E;e++) {
X += xv[e]*(1LL<<(E-1-e));
}
rngreset();
return X;
}
/*int main() {
vector<pii> A0 = Alice();
vector<pii> A1;
ld seed2=0.192847135;
for (pii p0: A0) {
ll b0 = ((ll) round(1000000*seed2))%10;
seed2=3.61*seed2*(1.000000-seed2);
if (b0==0) {
A1.push_back(p0);
}
}
cout << Bob(A1);
}*/
// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
#include "Bob.h"
using namespace std;
using ll = long long;
using ld = long double;
using pii = pair<int,int>;
ll N = 5000;
ld seed0 = 0.1434;
ld seed = seed0;
ld getseed() {
seed = 3.67*seed*(1.0-seed);
return seed;
}
ll getrng(ll x) { //random integer in [0,x-1]
return (((ll) round(10000000000*getseed()))%x);
}
ll l2(ll x) {
return (31-__builtin_clz(x));
}
/*ll setN(int Q) {
return 143414341434143469;
}*/
void rngreset() {
seed=seed0;
}
long long Bob(vector<pii> V) {
ll vals[N];
for (ll i=0;i<N;i++) {
vals[i]=-1;
}
for (pii p0: V) {
vals[p0.second-1]=p0.first-1;
}
vector<ll> xv;
ll E = 60;
for (ll e=59;e>=0;e--) {
xv.push_back(-1);
}
for (ll n=1;n<N;n++) {
ll D = l2(n)-1;
for (ll d=0;d<D;d++) {
ll e = getrng(E);
//val += xv[e]*(1LL<<d);
if (vals[n]!=-1) {
xv[e]=(vals[n]>>d)%2;
}
}
}
ll X = 0;
for (ll e=0;e<E;e++) {
X += xv[e]*(1LL<<(E-1-e));
}
rngreset();
return X;
}
/*int main() {
vector<pii> A0 = Alice();
vector<pii> A1;
ld seed2=0.192847135;
for (pii p0: A0) {
ll b0 = ((ll) round(1000000*seed2))%10;
seed2=3.61*seed2*(1.000000-seed2);
if (b0==0) {
A1.push_back(p0);
}
}
cout << Bob(A1);
}*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
808 KB |
Correct. |
2 |
Correct |
4 ms |
812 KB |
Correct. |
3 |
Incorrect |
3 ms |
808 KB |
Incorrect answer. |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
808 KB |
Correct. |
2 |
Correct |
4 ms |
812 KB |
Correct. |
3 |
Incorrect |
3 ms |
808 KB |
Incorrect answer. |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
808 KB |
Correct. |
2 |
Correct |
4 ms |
812 KB |
Correct. |
3 |
Incorrect |
3 ms |
808 KB |
Incorrect answer. |
4 |
Halted |
0 ms |
0 KB |
- |