Submission #222411

#	Time	Username	Problem	Language	Result	Execution time	Memory
222411		dwsc	Popcount (COCI19_popcount)	C++14	0 / 110	5 ms	384 KiB

popcount

#include <bits/stdc++.h>
using namespace std;
string checkbit(int i){
    return "(A&(1<<"+to_string(i)+"))";
}
string bitshift(int i){
    return "(1<<"+to_string(i)+")";
}
string getmaxint(int n){
    return "((1<<"+to_string(n)+")-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";
        }
    }
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 35
• Subtask 4: 0 / 45