#include<cstdio> #include<cstdlib> #include<cmath> #include<iostream> #include<algorithm> using namespace std; int main(){ float x; scanf("%f",&x); if(x<1) printf("%.0f\n",x); else if(x<10) printf("%.0f\n",2*x-1); else printf("%.0f\n",3*x-11); return 0; } |
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