#include iostream#include cstdio#include cstringusing namespace std;int main(){ int x,y; cinxy; double a=1.0*y/x*100; printf("%.3lf%%",a); return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int x,y; cinxy; int a=(y-2*x)/2; coutx-a" "a; return 0;}
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#include iostream#include iomanip//输入输出控制器using namespace std;int main() {double r;cinr;double zj,zc,mj;zj=r*2;zc=2*3.1415926*r;mj=3.1415926*r*r;coutfixedsetprecision(4)zj" "zc" "mj;return 0;}
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#include iostream#include iomanip//输入输出控制器#include cstdio//标准输入输出流using namespace std;int main() {double r;cinr;double zj,zc,mj;zj=r*2;zc=2*3.1415926*r;mj=3.1415926*r*r;//coutfixedsetprecision(4)zj" "zc" "mj;prin
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ double a,b; cinab; printf("%.9lf",a/b); return 0;}
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#includebits/stdc++.husing namespace std;int main(){int a,b;cinab;coutfixedsetprecision(9)1.0*a/b;return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int a,c; cinac; couta/c" "a%c; return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int a,b,c; cinabc; cout(a+b)/c; return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int a,b,c; cinabc; cout(a+b)*c; return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int n,m; cinnm; coutn+m; return 0;}
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