10 lines
204 B
C++
10 lines
204 B
C++
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//http://acm.hdu.edu.cn/showproblem.php?pid=2003
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#include <cstdio>
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int main(int argc,char ** argv){
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double x;
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while(scanf("%lf",&x)!=EOF){
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printf("%.2f\n",x>0?x:-x);
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}
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return 0;
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}
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