#include iostream#include iomanip#include cmathusing namespace std;int main(){double d;cind;if(d0){d=0-d;}coutfixedsetprecision(2)d;return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){int n;cinn;if(n%2==1){cout"odd";}else {cout"even";}return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){char c;cinc;if(c%2==1){cout"YES";}else{cout"NO";}return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){int x,y;cinxy;if(xy){cout"";}else if(x==y){cout"=";}else{cout"";}return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){int a;cina;if(a=10a=90){cout1;}else{cout0;}return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){int x,y;cinxy;if(x=10||y=20){cout1;}else{cout0;}return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){int n;cinn;if(n%3==0n%5==0){cout"YES";}else{cout"NO";}return 0;}
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#include iostreamusing namespace std;int main(){ int a; cina; if(a%3==0){ cout3" ";}if(a%5==0){cout5" ";}if(a%7==0){cout7" ";}if(a%3!=0a%5!=0a%7!=0){cout'n';} return 0;}
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#include iostream#include iomanip#include cmathusing namespace std;int main(){int a,b;cinab;if(a=60b60||a60b=60){cout1;}else{cout0;}return 0;}
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// C=5×(F−32)÷9#include bits/stdc++.husing namespace std;int main(){ double a,b,c; cinabc; if(b*b-4*a*c0) {cout"No answer!";return 0;} double x1=(sqrt(b*b-4*a*c)-b)/(2*a),x2=(0-b-sqrt(b*b-4*a*c))/(2*a); if(x1x2){ printf("x1=%.5lf;x2=%.5
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