求助!编译失败
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求助!编译失败
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mcr123456楼主2023/6/6 07:08

#include<bits/stdc++.h>
using namespace std;
int main()
{
	double a;
	cin>>a;
	printf("%.2f",abs(a))
	return 0;
}
2023/6/6 07:08
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