怎么证明999是个三位数
int num = 999;
int count = 0;
if(num>=0&&num<=999999999){
while(num!=0){
count++;
num/=10;
}
看不懂啊
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int num = 999;
int count = 0;
if(num>=0&&num<=999999999){
while(num!=0){
count++;
num/=10;
}
看不懂啊
2019-06-08
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