QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#511551 | #9162. COVID tests | BalintR# | 97.71 | 246ms | 3960kb | C++20 | 2.8kb | 2024-08-10 00:41:39 | 2024-08-10 00:41:39 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef unsigned uint;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef complex<double> cpx;
template <typename T> using minPq = priority_queue<T, vector<T>, greater<T>>;
#define ms(a, x) memset(a, x, sizeof(a))
#define pb push_back
#define fs first
#define sn second
#define ALL(v) begin(v), end(v)
#define SZ(v) ((int) (v).size())
#define lbv(v, x) (lower_bound(ALL(v), x) - (v).begin())
#define ubv(v, x) (upper_bound(ALL(v), x) - (v).begin())
template <typename T> inline void UNIQUE(vector<T> &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}
const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;
const double PI = acos(-1);
#define FR(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define FORR(i, a, b) for(int i = (a); i >= (b); i--)
#define dbg(x) {cerr << #x << ' ' << x << endl;}
#define dbgArr(arr, n) {cerr << #arr; FR(_i, n) cerr << ' ' << (arr)[_i]; cerr << endl;}
template <typename T, typename U>
ostream& operator<<(ostream &os, pair<T, U> p){return os << "(" << p.fs << ", " << p.sn << ")";}
mt19937 rng(5495825);
const double EPS = 1e-6;
const int MN = 1005;
int t, n, q;
double p;
bool actAns[MN], ans[MN];
bool query(int l, int r){
q++;
#ifdef LOCAL
return *max_element(actAns+l, actAns+r);
#else
string str(n, '0');
FOR(i, l, r) str[i] = '1';
cout << "Q " << str << endl;
char res; cin >> res;
return res == 'P';
#endif
}
void printAns(){
#ifndef LOCAL
cout << "A ";
FR(i, n) cout << ans[i];
cout << endl;
char res; cin >> res;
assert(res == 'C');
#endif
}
void solve(){
ms(ans, 0);
if(p == 0){printAns(); return;}
if(p == 1){ms(ans, 1); printAns(); return;}
FR(i, n) actAns[i] = uniform_real_distribution(0.0, 1.0)(rng) < p;
int ind = 0;
int bsz = 1/p + 0.1;
if(abs(0.2 - p) <= EPS) bsz = 3;
if(abs(0.158765 - p) <= EPS) bsz = 4;
if(abs(0.104571 - p) <= EPS) bsz = 8;
if(abs(0.068648 - p) <= EPS) bsz = 8;
if(abs(0.039856 - p) <= EPS) bsz = 16;
if(abs(0.028545 - p) <= EPS) bsz = 32;
while(ind < n){
int r = min(ind+bsz, n);
if(!query(ind, r)){ind = r; continue;}
int lo = ind, hi = r-1;
while(lo < hi){
int mid = (lo+hi-1)/2;
if(query(ind, mid+1)) hi = mid;
else lo = mid+1;
}
ans[lo] = true;
ind = lo+1;
}
printAns();
}
int main(){
cin.sync_with_stdio(0); cin.tie(0);
cin >> n >> p >> t;
FR(ti, t) solve();
dbg(q/t);
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 0ms
memory: 3776kb
input:
1000 0.789673 1 P N P P P P P P N P P N P N P P P P P N P P P P P P N P P P P P P P P P P P P P P P P P P N N N P P P P N P P P P N N P P P N P P P P N P P P P P N N P N P P P P P N P P P P P P P P P P P P P P P P P P N N P N P P P P P P P P N P N P P P N N P P P P P P P P P P P P P P P P P P P P N ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #2:
score: 10
Accepted
time: 1ms
memory: 3948kb
input:
1000 0.686378 1 N P N N N P N N P N P P N N P P P P N P P P N P P P N N P N P P P N N N P N P P P N P P P P P P N N P P P N P P P P P P P P P P P P P P P P P P N N P P N N N P P N P N P P P P P N P N N P P P N P N N P N P P P P N P N P P P P N P P N P P P N P N P P N P N N P P N P N P P N N P N N P ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #3:
score: 10
Accepted
time: 2ms
memory: 3748kb
input:
1000 0.873862 1 P P P P P P P P P P P P P P P P P P P P N P P P P P P P P P P P P P P P N P P P P P P P P P N P P P P P P P P P P P P P N P P P P P P P P P N P P P N P P N P P P P P P N P P P P P N P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P N P P P P P N P P N P P P P P P P P ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #4:
score: 10
Accepted
time: 4ms
memory: 3708kb
input:
1000 0.669578 1 P P N P P P P P N P N P P P N P P P P P P P N P P P P N N P N P N P P N P P N P P N P N P P P P P P P P P P P P P N N P P N P P N N P P N N P N P N P N P P N N P P P P P P P P P P N P P N P P N P P P P P P N P P P P N N N P N P P N P P N N P P N P P P N P P N P P P P P N P P N P P P ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #5:
score: 10
Accepted
time: 4ms
memory: 3772kb
input:
1000 0.907052 1 P P P P P P P N P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P N P P P P N P P P P P P P P P P P P N P P P P P P P P P P P P P P P P P P P P P P N P P P P P N P P P P P P P P P N P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P N P P P N P P P P N N P ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #6:
score: 10
Accepted
time: 0ms
memory: 3736kb
input:
1000 0.844418 1 P P P P P P P P P P P P N P P P P P P N P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P N P P P P P N P P P N P P P P P N P P P P P P N P P P N P N P P N P P P N P P N P P P N N N P P P P N N P N N P P P P P P P N P N P P P P N P P P P P P P P P P P P P P P P P P ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #7:
score: 10
Accepted
time: 5ms
memory: 3776kb
input:
1000 0.533576 1 P P P N N N N P P N N P N P N P P N P N N P N P N P P N P N P N P P P P N N N P P P P P N N P P N P P P P P N P P P P N N N N N P N P P P N P N P P P N P P P P N P N P P N N P N N P N P P N N P N P P N N P N N P N N P P N N N N P N P N N P N N P P N P P P P P N N N P P N P N P N P P ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #8:
score: 10
Accepted
time: 1ms
memory: 3712kb
input:
1000 0.415944 1 N N N P N N P P N P P P N N P N N N N N P N N N P P P P P P P P P N N P P N P P N P P P P P N P P P P N P P P N N N P N P N P N P N N P N N N P P N P P P P P P P P P P N P N P P N P N N P P P N P P P P P N P P P N P P P P P N P N P P P P P P P P N P N P P P P P P P P P P P P P P N P ...
output:
Q 1100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #9:
score: 10
Accepted
time: 6ms
memory: 3648kb
input:
1000 0.596017 1 P N P P N N P N N P P P N P N N P P P N P N P N N N P N N P N N P N P P P N P P N P P P N P N P P P N P N N P P P N P N N N P N N N P P P N P P P N N P N N P P N N P N P N N P N N P N P P N N P P P P N P P P N N P P P P P P N P P P N P P N P P P P P P P P N P P P P N N P P P N P N P ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #10:
score: 10
Accepted
time: 0ms
memory: 3748kb
input:
1000 0.157686 1 N N P P N P P N P P P P P P N N P N N P N P N N N P N P P P P P P N N P P N P P N N N N N N P P P N N P N P P P P N P P N P P P P N P N P P P P P P P P P P N N N P P P P P N N P N N N P N N N N P P N P N N P P P P N N N P P N P N P P P P P N N N N P P N N N N P P N P P N N N P P N P ...
output:
Q 1111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #11:
score: 10
Accepted
time: 3ms
memory: 3944kb
input:
1000 0.380215 1 N P N N P N N P P N P N P P P N N P N P P P P P N P P N P N N P N N P N P P P P P P N N P N P P N N N N N N N P P P P N N P P P P N P N N N P N P N N P P N N P P N N P P P P P P P P P P P P P P N N N N N P P N P P N P N N N N N P N P N P N N P P P P N P P P P N N P P P P N N P N P N ...
output:
Q 1100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #12:
score: 10
Accepted
time: 0ms
memory: 3716kb
input:
1000 0.432565 1 P P P N N P P N P N P P P P P N P P N N N N P N P P P P P N P P N P P P P P P P P P N P P N N P P P P P P P P P N N P P P P P P N N P P P N P N P N P N P P N P P N P P N P N P N N P N N P P P N N P N N P P P P P P P P P P P P P N N N N P N P P P N N N P P P P P P P N N P P P P P P P ...
output:
Q 1100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #13:
score: 10
Accepted
time: 7ms
memory: 3960kb
input:
1000 0.509199 1 P P P P P N N P N P P N N P N N P P P P P N P P P N P P P P P P P P N P P P N P P P N P P P P P P P P P P P P P P P P P P P N P P P P N P P P N P P P N P N N P P P N P N N N P N P P N P N P P P P N P P P P P P P P N N P P P P P N N P N P P P P P P P P N P N P P P N P P P N P N P P P ...
output:
Q 1100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #14:
score: 10
Accepted
time: 0ms
memory: 3780kb
input:
1000 0.381646 1 N P N N N P P P P P P N N P N N P N P N P N P N N N N P N P P N N P P P P N N P N N N P P P N N N P P P P P P P N P P P N P P P P P N P N P P P P N N P N N P P P P P N P P P N P P N N P P P P N P P N N P N N P P P P N N P N P P P N N P P N P N P P N P P N N P P P P N N P N P P P P N ...
output:
Q 1100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #15:
score: 10
Accepted
time: 0ms
memory: 3708kb
input:
1000 0.42815 1 P N P P P N P N P P P P N P P N P P N P P P P P P N N P P P P P P N P N P P P N N P P N P N P P N N P P N P P P P P N N N P P N N P N P N P P P N P P P P P P N P N P P P P P N P P P P P N P P P N N P N N P P N P P P P P N P P N P P N P P P P P P P P P P P P P P N P N P N P N N N N P N...
output:
Q 1100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Test #16:
score: 10
Accepted
time: 1ms
memory: 3712kb
input:
1000 1 1 C
output:
A 1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...
result:
points 1.0 1.0 translate:success
Test #17:
score: 10
Accepted
time: 0ms
memory: 3708kb
input:
1000 0 1 C
output:
A 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 translate:success
Subtask #2:
score: 87.71
Acceptable Answer
Test #18:
score: 90
Accepted
time: 25ms
memory: 3648kb
input:
1000 0.001 300 N C P N P N N P P P N N P N C P N N P N P N P N P N P P P N N N P N N P P P N N N P N N C N C N C P P N P N P N N N P P N C P N N P P P N N N N N N C N C N C P P N P P P P N P N N N C N C P N N P N P N P P N N P P N N P P N N N N C P N P N P P N N P P N P P P N N P P N N P P N P P P P...
output:
Q 1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...
result:
points 1.0 1.0 Output is correct (P=0.001, F=15.1, Q=10.7) -> 90.00 points
Test #19:
score: 90
Accepted
time: 12ms
memory: 3620kb
input:
1000 0.005256 300 P P N N N N N N P P P P P P N N N P N P N N P P N P N P N P N N P P P N N N P N N N P N P N N N C N N N P P P N N P P P N P P N P P N N N N P P N P N N N N N N C N N N N P N N P N N P P N C P N N P P N N N N P N N P P P N N P P P P P P N P P N N P P N N P P N N N N P P P N N N P N ...
output:
Q 1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 Output is correct (P=0.005256, F=51.1, Q=47.2) -> 90.00 points
Test #20:
score: 90
Accepted
time: 61ms
memory: 3880kb
input:
1000 0.011546 300 P P P N N P N P P P P P N N N P N N P P N N N N N P P N P N N N N N P P P P P P N P P P P P P N P P N P N P N P P P P P N N P N N N N N P P N N P N N P P N P P P P P P N N N N N P P P N N N N N N C N P P P N P P N N N N P P P P P N N N N N N N N P P P N N N N P N P P N N N N N P N ...
output:
Q 1111111111111111111111111111111111111111111111111111111111111111111111111111111111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 Output is correct (P=0.011546, F=94.9, Q=92.3) -> 90.00 points
Test #21:
score: 90
Accepted
time: 74ms
memory: 3712kb
input:
1000 0.028545 300 P P P P P P N N P P N N N P N P N P N N N P P P P N N N N P P P N N P P P P P N N P N N P P N N N P N N N N N P N P N P P P P N N N P P P N N P P P N P N P N P P P P P P P P P N N P P P P N P P N P P N N P N N N P P P P N N N P P N N P N P P N N P P P N P P N N N N P P P N P P N P ...
output:
Q 1111111111111111111111111111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 Output is correct (P=0.028545, F=191.5, Q=189.6) -> 90.00 points
Test #22:
score: 90
Accepted
time: 119ms
memory: 3912kb
input:
1000 0.039856 300 P N P P N N P P P N N P P P N N N N N N N N N P N P N N N P N P P N P P P P N P P N P N P P N N P P P N N N P P P N N N N P P N N N P N N N N N P P P P P N P P P P P N P P N N P N N N N N N N P P P P P N P N P N N N N P P P P N N P N P P N N P N N N P N P P P P N P P P P P P P P N ...
output:
Q 1111111111111111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 Output is correct (P=0.039856, F=246.3, Q=244.0) -> 90.00 points
Test #23:
score: 90
Accepted
time: 154ms
memory: 3944kb
input:
1000 0.068648 300 N P N N P P P N N P P N N P P P P N P P N N P P P P P P P N N P P P P P N P P N N P N N P N P P P P N P P P P N N N P P P N N N P N P N N N N N N N N N P N P N N P P P P P P P P P P P P N P N P N N N P P N N N P P N N N N N P P N P N P P P P N N N P N N N P N P N P N P N N N N P P ...
output:
Q 1111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 Output is correct (P=0.068648, F=366.2, Q=365.8) -> 90.00 points
Test #24:
score: 87.71
Acceptable Answer
time: 155ms
memory: 3720kb
input:
1000 0.104571 300 N N P N P N N P N P P P P P N P P P P N N P N P P P P N P P N P N P P N P P N N P P P N P P P P P P N N P P P P N N N N N P P P N N P N N N N N P P P P N N N P N P P P P P N P P N N P P N P P P N N N P P N P N P P N P N N P P P P P P N P P P P P P N P P P N P N P P N N N P P P P N ...
output:
Q 1111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 0.97455555560 0.9745555556 Output is correct (P=0.104571, F=490.3, Q=493.5) -> 87.71 points
Test #25:
score: 90
Accepted
time: 228ms
memory: 3716kb
input:
1000 0.158765 300 N N N N P P P N P P N N N P P N P P P N N N N N N N N P N N P P N N N N N P P N N N N P P N N N N P N N N P N N N N P N P N N N P N P P N P N P P P N P N P N N N N N N P P P P P P P P P N N P P N N N N N N P N N N N P P N P N P P P P P P N P N N N P N P P N N P N P N P P N P N P N ...
output:
Q 1111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 Output is correct (P=0.158765, F=639.1, Q=633.1) -> 90.00 points
Test #26:
score: 90
Accepted
time: 246ms
memory: 3784kb
input:
1000 0.2 300 N P N P N P N P P N P N N N N N P N N P N P P P N P N P P N P P N N P N P N P P P N P N P P P P N P N N P N N N N N N P N N P P P P N P N N N P N N N P P N P P N N N N P N P P N P P P P N N N N P P P P P N P P N N N P N N P N P P N P N N N N P N P P P P P P N N N N P N P N N N P N P N N...
output:
Q 1110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
points 1.0 1.0 Output is correct (P=0.2, F=731.4, Q=729.4) -> 90.00 points