//位运算,注意会有多组输入 #include<stdio.h> int main(){ int n = 0; while(scanf("%d\n",&n)!=EOF){ int count = 0; while(n){ if(n&0x1) count++; n = n >>1; } printf("%d\n",count); } return 0; }
//位运算,注意会有多组输入 #include<stdio.h> int main(){ int n = 0; while(scanf("%d\n",&n)!=EOF){ int count = 0; while(n){ if(n&0x1) count++; n = n >>1; } printf("%d\n",count); } return 0; }