Run id: 145930

Main.cc: In function 'int main()':
Main.cc:6:37: error: 'x' was not declared in this scope
     if(0<=a&&a<5) printf("%.3lf",-1*x+2.5);
                                     ^
Main.cc:7:47: error: 'x' was not declared in this scope
     else if(5<=a&&a<10) printf("%.3lf",2-1.5*(x-3)*2);
                                               ^
Main.cc:8:47: error: 'x' was not declared in this scope
     else if(5<=a&&a<10) printf("%.3lf",double(x)/2.0-1.5);
                                               ^