21 lines
254 B
C++
21 lines
254 B
C++
#include<bits/stdc++.h>
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using namespace std;
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int NumberOf21(int n) {
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int count = 0;
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int k = 1;
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while (n != 0) {
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count++;
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n = (n - 1) & n;
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}
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return count;
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}
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int main() {
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cout<<NumberOf21(1365765670)<<endl;
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return 0;
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}
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