#include <bits/stdc++.h>
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define st first
#define nd second
#define pb push_back
#define pq priority_queue
#define all(x) begin(x), end(x)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
#include "communication.h"
vector<int> V = {1,1,0,0,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1,0,1,0,0,1,0,0,1,0,0,1,1,0,1,0,1,0,1,1,1,0,1,1,0,1,1,0,1,1,1,0,1,0,0,1,1,1,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,1,0,1,1,0,0,0,0,0,0,1,0,0,1,0,1,1,0,0,0,1,1};
//bool aux[250];
/*
vector<int> v;
int send(int x){
cout<<x<<" SENDED"<<endl;
int c;
cin >> c;
v.pb(c);
return c;
}
int P = 0;
int receive(){
cout<<"SEND ME"<<endl;
int c;
return v[P++];
}
*/
void encode(int N, int X){
srand(N);
int pos = 0;
int C = 0;
while(pos < 30){
int bit = 0;
if(X & (1<<pos)) bit = 1;
int c = rand() + pos;
int nxt = V[c%100];
if(c % 4){
++C;
if(C > 250)cout<<2/0<<endl;
int r = send(nxt);
if(r != nxt){++C;
if(C > 250)cout<<2/0<<endl;
send(bit);
++pos;
}
}
else{++C;
if(C > 250)cout<<2/0<<endl;
int r1 = send(bit);++C;
if(C > 250)cout<<2/0<<endl;
int r2 = send(bit);++C;
if(C > 250)cout<<2/0<<endl;
int r3 = send(bit);++C;
if(C > 250)cout<<2/0<<endl;
int r4 = send(bit);
if(r1 == r2 || r2 == r3 || r3 == r4){
++pos;
}
}
}
}
std::pair<int, int> decode(int N){
srand(N);
int pos = 0;
int X = 0;
int C = 0;
while(pos < 30){
int c = rand() + pos;
int nxt = V[c%100];
if(c % 4){
++C;
if(C > 250)cout<<2/0<<endl;
int r = receive();
if(r != nxt){
++C;
if(C > 250)cout<<2/0<<endl;
int bit = receive();
if(bit == 1) X |= (1<<pos);
++pos;
}
}
else{
++C;
if(C > 250)cout<<2/0<<endl;
int r1 = receive();
++C;
if(C > 250)cout<<2/0<<endl;
int r2 = receive();
++C;
if(C > 250)cout<<2/0<<endl;
int r3 = receive();
++C;
if(C > 250)cout<<2/0<<endl;
int r4 = receive();
if(r1 == r2){
if(r1 == 1) X |= (1<<pos);
++pos;
}
else if(r2 == r3){
if(r2 == 1) X |= (1<<pos);
++pos;
}
else if(r3 == r4){
if(r3 == 1) X |= (1<<pos);
++pos;
}
}
}
return {X, 1};
}/*
int main(){
encode(10, 1);
decode(10);
}
*/
Compilation message
communication.cpp: In function 'void encode(int, int)':
communication.cpp:53:22: warning: division by zero [-Wdiv-by-zero]
53 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:57:22: warning: division by zero [-Wdiv-by-zero]
57 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:63:22: warning: division by zero [-Wdiv-by-zero]
63 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:65:22: warning: division by zero [-Wdiv-by-zero]
65 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:67:22: warning: division by zero [-Wdiv-by-zero]
67 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:69:22: warning: division by zero [-Wdiv-by-zero]
69 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp: In function 'std::pair<int, int> decode(int)':
communication.cpp:94:22: warning: division by zero [-Wdiv-by-zero]
94 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:100:23: warning: division by zero [-Wdiv-by-zero]
100 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:110:22: warning: division by zero [-Wdiv-by-zero]
110 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:115:22: warning: division by zero [-Wdiv-by-zero]
115 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:120:22: warning: division by zero [-Wdiv-by-zero]
120 | if(C > 250)cout<<2/0<<endl;
| ~^~
communication.cpp:125:22: warning: division by zero [-Wdiv-by-zero]
125 | if(C > 250)cout<<2/0<<endl;
| ~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
77 ms |
1732 KB |
Output is correct |
| 2 |
Correct |
133 ms |
1664 KB |
Output is correct |
| 3 |
Correct |
240 ms |
1796 KB |
Output is correct |
| 4 |
Correct |
128 ms |
1696 KB |
Output is correct |
| 5 |
Correct |
175 ms |
1724 KB |
Output is correct |
| 6 |
Runtime error |
3 ms |
424 KB |
Execution killed with signal 4 |
| 7 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
941 ms |
1704 KB |
Output is partially correct |
| 2 |
Partially correct |
444 ms |
1740 KB |
Output is partially correct |
| 3 |
Partially correct |
541 ms |
1664 KB |
Output is partially correct |
| 4 |
Partially correct |
876 ms |
1680 KB |
Output is partially correct |
| 5 |
Partially correct |
833 ms |
1704 KB |
Output is partially correct |
| 6 |
Partially correct |
1062 ms |
1764 KB |
Output is partially correct |
| 7 |
Runtime error |
2 ms |
288 KB |
Execution killed with signal 4 |
| 8 |
Halted |
0 ms |
0 KB |
- |
