#include iostreamusing namespace std;int main(){int a,b,c;cinabc;cout(a+b)*c;return 0;}
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#include iostreamusing namespace std;int main(){int a,b,c;cinabc;cout(a+b)/c;return 0;}
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#include iostreamusing namespace std;int main(){int a,b;cinab;couta/b" "a%b;return 0;}
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#include iostream#include iomanipusing namespace std;int main(){int a,b;cinab;coutfixedsetprecision(9)1.0*a/b;return 0;}
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#include iostream#include cmathusing namespace std;int main(){int n,x,y;cinnxy;if(y%x==0) n-=y/x;else n-=y/x+1;if(n0) cout0;else coutn;return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){int n;cinn; int a=pow(2,n);couta;return 0;}
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#include iostreamusing namespace std;int main(){ long long a,b; cinba; cout a*b; return 0;}
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#include bits/stdc++.husing namespace std;int main(){ int a,b,n; cinabn; int c=b-a; couta+n*c-c; return 0;}
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#include bits/stdc++.husing namespace std;int main(){ double x1,y1,x2,y2,x3,y3; cinx1y1x2y2x3y3; double a,b,c,ax=x2-x1,ay=y2-y1,bx=x3-x2,by=y3-y2,cx=x1-x3,cy=y1-y3; a=sqrt(ax*ax+ay*ay); b=sqrt(bx*bx+by*by); c=sqrt(cx*cx+cy*cy); double p=(a+
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#include bits/stdc++.husing namespace std;int main(){ double a,b,c,d; cinabcd; double x=c-a; double y=d-b; printf("%.3lf",sqrt(x*x+y*y)); return 0;}
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