#includebits/stdc++.husing namespace std;int main(){int n,m;cinnm;coutfixedsetprecision(2)n-0.8*m;return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int n,m; cinnm; printf("%.2lf",n-m*0.8); return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int a,b,c; cinabc; couta+b+c; return 0;}
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#include iostream#include cstdio#include cstringusing namespace std;int main(){ int a,b; cinab; a=a+b-(b=a); couta" "b; return 0;}
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#includebits/stdc++.husing namespace std;int main(){ int a,b,c; cinab; coutb" "a; return 0;}
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