编译错误: /code/judger/test/1825447359227654144/main.cpp: In function 'int main()':
/code/judger/test/1825447359227654144/main.cpp:8:24: error: 'aa' was not declared in this scope
     printf("%.2f",sqrt(aa+bb));
                        ^~
/code/judger/test/1825447359227654144/main.cpp:8:24: note: suggested alternative: 'a'
     printf("%.2f",sqrt(aa+bb));
                        ^~
                        a
/code/judger/test/1825447359227654144/main.cpp:8:27: error: 'bb' was not declared in this scope
     printf("%.2f",sqrt(aa+bb));
                           ^~
/code/judger/test/1825447359227654144/main.cpp:8:27: note: suggested alternative: 'b'
     printf("%.2f",sqrt(aa+bb));
                           ^~

你好：7374447616/main11.cpp:8:23: note: suggested alternative: 'b'
 printf("%.2f",sqrt(aa+bb));
                       ^~
                       b


```cpp
#include <iostream>
#include <cstdio>
#include <cmath>
using namespace std;
int main(){
    int a,b;
    cin >> a >> b;
    printf("%.2f",sqrt(a*a+b*b));
    return 0;
}
```


jiandan

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