统计数字字符个数

    xiaoxiao2021-03-25  130

    #include<bits/stdc++.h> using namespace std; int main() { int i,sum=0; char s[300]; gets(s); for (i=0;i<strlen(s);++i) if ('0'<=s[i]&&s[i]<='9') ++sum; cout<<sum; return 0; }
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