C'den yarım...

 
  float net(float,float); 
  float net(a,b) 
  float a,b; 
  { 
  float g; 
  g=a-0.25*b; 
  return g; 
  } 
  main() 
  { 
  float ntr,ns1,nm1,nf1,nes,ns2,nm2,nf2,psa1,pso1,pea1,psa2,pso2,pea2; 
  float dtr,ytr,ds1,ys1,dm1,ym1,df1,yf1,des,yes,ds2,ys2,dm2,ym2,df2,yf2; 
  printf("oss puan hesaplama v1.1'e hosgeldiniz.\n\nlutfen turkce testindeki dogru sayinizi giriniz ve ardindan 'enter'a basiniz.\nturkce dogru :"); 
  scanf("%f",&dtr); 
  printf("\nturkce yanlis :"); 
  scanf("%f",&ytr); 
  printf("\nsosyal-1 dogru :"); 
  scanf("%f",&ds1); 
  printf("\nsosyal-1 yanlis :"); 
  scanf("%f",&ys1); 
  printf("\nmatematik-1 dogru :"); 
  scanf("%f",&dm1); 
  printf("\nmatematik-1 yanlis :"); 
  scanf("%f",&ym1); 
  printf("\nfen-1 dogru :"); 
  scanf("%f",&df1); 
  printf("\nfen-1 yanlis :"); 
  scanf("%f",&yf1); 
  printf("\nedebiyat-sos dogru :"); 
  scanf("%f",&des); 
  printf("\nedebiyat-sos yanlis :"); 
  scanf("%f",&yes); 
  printf("\nsosyal-2 dogru :"); 
  scanf("%f",&ds2); 
  printf("\nsosyal-2 yanlis :"); 
  scanf("%f",&ys2); 
  printf("\nmatematik-2 dogru :"); 
  scanf("%f",&dm2); 
  printf("\nmatematik-2 yanlis :"); 
  scanf("%f",&ym2); 
  printf("\nfen-2 dogru :"); 
  scanf("%f",&df2); 
  printf("\nfen-2 yanlis :"); 
  scanf("%f",&yf2); 
  ntr=net(dtr,ytr); 
  ns1=net(ds1,ys1); 
  nm1=net(dm1,ym1); 
  nf1=net(df1,yf1); 
  nes=net(des,yes); 
  ns2=net(ds2,ys2); 
  nm2=net(dm2,ym2); 
  nf2=net(yf2,df2); 
  psa1=127.433+0.7843*ntr+0.5230*ns1+2.6147*nm1+1.8303*nf1; 
  pso1=120.124+2.7253*ntr+1.9077*ns1+0.8177*nm1+0.5450*nf1; 
  pea1=122.456+2.1520*ntr+0.8070*ns1+2.4210*nm1+0.5380*nf1; 
  psa2=127.433+0.7843*ntr+0.5230*ns1+1.3070*(nm1+nm2)+0.9150*(nf1+nf2); 
  pso2=120.124+1.3620*(ntr+nes)+0.9540*(ns1+ns2)+0.8170*nm1+0.5450*nf1; 
  pea2=122.456+1.0760*(ntr+nes)+0.8070*ns1+1.2100*(nm1+nm2)+0.5380*nf1; 
  printf("\n\nNETLERIN:\n\nturkce-1 :%f\n\nsosyal-1 :%f\n\nmatematik-1 :%f\n\nfen-1 :%f\n\nedebiyat-sos:%f\n\nsosyal-2 :%f\n\nmatematik-2 :%f\n\nfen-2 :%f",ntr,ns1,nm1,nf1,nes,ns2,nm2,nf2); 
  printf("\n\nPUANLARIN:\n\nsayisal-1 :%f\n\nsayisal-2 :%f\n\nsozel-1 :%f\n\nsozel-2 :%f\n\nesit agirlik-1:%f\n\nesit agirlik-2:%f",psa1,psa2,pso1,pso2,pea1,pea2); 
  //getch(); 
  }