这个作业做的程序为什么输入数据之后加权平均分是一大堆数字串好多位的数还是个负的
#include
void main()
{
int A,B,C,D,E,F,G,H,I,J,K,L;
float a,b,c,d,e,f,g,h,i,j,k,l;

printf ("Please input your calculas scores:");
scanf ("%d",&A);
printf ("Please input your credit scores:");
scanf ("%f",&a);

printf ("Please input your circuit scores:");
scanf ("%d",&B);
printf ("Please input your credit scores:");
scanf ("%f",&b);

printf ("Please input your linea scores:");
scanf ("%d",&C);
printf ("Please input your credit scores:");
scanf ("%f",&c);

printf ("Please input your military theory scores:");
scanf ("%d",&D);
printf ("Please input your credit scores:");
scanf ("%f",&d);

printf ("Please input your physics scores:");
scanf ("%d",&E);
printf ("Please input your credit scores:");
scanf ("%f",&e);

printf ("Please input your English scores:");
scanf ("%d",&G);
printf ("Please input your credit scores:");
scanf ("%f",&g);

printf ("Please input your physical scores:");
scanf ("%d",&H);
printf ("Please input your credit scores:");
scanf ("%f",&h);

printf ("Please input your chemistry scores:");
scanf ("%d",&I);
printf ("Please input your credit scores:");
scanf ("%f",&i);

printf ("Please input your philosophy scores:");
scanf ("%d",&J);
printf ("Please input your credit scores:");
scanf ("%f",&j);

printf ("Please input your computer science scores:");
scanf ("%d",&K);
printf ("Please input your credit scores:");
scanf ("%f",&k);

printf ("Please input your history scores:");
scanf ("%d",&L);
printf ("Please input your credit scores:");
scanf ("%f",&l);

float sum1,sum2;

float w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12;

sum1=a+b+c+d+e+f+g+h+i+j+k+l;
w1=a/sum1;
w2=b/sum1;
w3=c/sum1;
w4=d/sum1;
w5=e/sum1;
w6=f/sum1;
w7=g/sum1;
w8=h/sum1;
w9=i/sum1;
w10=j/sum1;
w11=k/sum1;
w12=l/sum1;
sum2=A*w1+B*w2+C*w3+D*w4+E*w5+F*w6+G*w7+H*w8+I*w9+J*w10+K*w11+L*w12;

printf("credit:%6.2f,weighting total:%6.2f\n",sum1,sum2);

jujiawu1024

C++什么是加权平均数

4条回答

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