#include <bits/stdc++.h>
using namespace std;
string checkbit(int i){
return "((A&(1<<"+to_string(i)+"))>>"+to_string(i)+")";
}
string bitshift(int i){
return "(1<<"+to_string(i)+")";
}
string getmaxint(int n){
return "((1<<"+to_string(n)+")-1)";
}
int f1(int a,int i){
return ((a&(1<<i))>>i);
}
int f2(int i){
return (1<<i);
}
int f3(int i){
return ((1<<i)-1);
}
int main(){
int n,k;
cin >> n >> k;
if (k*4 >= n){
cout << (n+3)/4 << "\n";
for (int i = 0; i < n; i+= 4){
string add = checkbit(i),sub="("+getmaxint(n)+"-"+bitshift(i)+")";
for (int j = i+1; j < min(i+4,n); j++){
add = "("+add+"+"+checkbit(j)+")";
sub = "("+sub+"-"+bitshift(j)+")";
}
sub = "(A&"+sub+")";
string finalString = "A=("+add+"+"+sub+")";
cout << finalString << "\n";
}
}
else{
int numboxes = n,boxsize = 1;
int val = 0,tempn = n;
while (tempn != 1){
val++;
tempn = (tempn+1)/2;
}
cout << val << "\n";
while (numboxes != 1){
string bigbox = "0",smallbox = "0";
int addto = 0;
int num = 0;
int bigval = 0,smallval = 0;
for (int i = 0; i < n; i++){
num++;
if (num > boxsize){
num-=boxsize;
addto = 1-addto;
}
if (addto){
bigval += f2(i);
bigbox = "("+bigbox+"+"+bitshift(i)+")";
}
}
string finalstring = "A=(A-((A&"+bigbox+")>>"+to_string(numboxes)+"))";
assert(finalstring.length() <= 1000);
//cout << finalstring << "\n";
cout << bigval << " " << smallval << "\n";
numboxes = (numboxes+1)/2;
boxsize *= 2;
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Accepted. |
2 |
Correct |
4 ms |
256 KB |
Accepted. |
3 |
Correct |
5 ms |
384 KB |
Accepted. |
4 |
Correct |
4 ms |
256 KB |
Accepted. |
5 |
Correct |
5 ms |
256 KB |
Accepted. |
6 |
Correct |
5 ms |
384 KB |
Accepted. |
7 |
Correct |
4 ms |
384 KB |
Accepted. |
8 |
Correct |
4 ms |
256 KB |
Accepted. |
9 |
Correct |
5 ms |
384 KB |
Accepted. |
10 |
Correct |
5 ms |
384 KB |
Accepted. |
11 |
Correct |
5 ms |
416 KB |
Accepted. |
12 |
Correct |
6 ms |
384 KB |
Accepted. |
13 |
Correct |
5 ms |
256 KB |
Accepted. |
14 |
Correct |
5 ms |
384 KB |
Accepted. |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Accepted. |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
256 KB |
Accepted. |
2 |
Correct |
4 ms |
256 KB |
Accepted. |
3 |
Correct |
5 ms |
256 KB |
Accepted. |
4 |
Correct |
5 ms |
256 KB |
Accepted. |
5 |
Correct |
5 ms |
256 KB |
Accepted. |
6 |
Correct |
4 ms |
256 KB |
Accepted. |
7 |
Correct |
5 ms |
384 KB |
Accepted. |
8 |
Correct |
5 ms |
256 KB |
Accepted. |
9 |
Correct |
5 ms |
256 KB |
Accepted. |
10 |
Incorrect |
5 ms |
256 KB |
Wrong command format. |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
5 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |