// 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<ll,ll>;
ll N = 5000;
ll E = 60;
ld seed = 0.697810983;
ld getseed() {
seed = 3.60*seed*(1.0-seed);
return seed;
}
ll getrng(ll x) { //random integer in [0,x-1]
return (((ll) round(1912873139*getseed()))%x);
}
ll l2(ll x) {
return (31-__builtin_clz(x));
}
vector<pair<int,int>> Alice() {
ll X = setN((int) N);
vector<pair<int,int>> vout;
vector<ll> xv;
for (ll e=(E-1);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});
}
return vout;
}
long long Bob(vector<pair<int,int>> 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;
for (ll e=(E-1);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)%(2LL);
}
}
}
ll X = 0;
for (ll e=0;e<E;e++) {
X += xv[e]*(1LL<<(E-1-e));
}
return X;
}
// 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<ll,ll>;
ll N = 5000;
ll E = 60;
ld seed = 0.697810983;
ld getseed() {
seed = 3.60*seed*(1.0-seed);
return seed;
}
ll getrng(ll x) { //random integer in [0,x-1]
return (((ll) round(1912873139*getseed()))%x);
}
ll l2(ll x) {
return (31-__builtin_clz(x));
}
long long Bob(vector<pair<int,int>> 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;
for (ll e=(E-1);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)%(2LL);
}
}
}
ll X = 0;
for (ll e=0;e<E;e++) {
X += xv[e]*(1LL<<(E-1-e));
}
return X;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
812 KB |
Correct. |
2 |
Correct |
4 ms |
812 KB |
Correct. |
3 |
Incorrect |
3 ms |
816 KB |
Incorrect answer. |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
812 KB |
Correct. |
2 |
Correct |
4 ms |
812 KB |
Correct. |
3 |
Incorrect |
3 ms |
816 KB |
Incorrect answer. |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
812 KB |
Correct. |
2 |
Correct |
4 ms |
812 KB |
Correct. |
3 |
Incorrect |
3 ms |
816 KB |
Incorrect answer. |
4 |
Halted |
0 ms |
0 KB |
- |