统计各分数段人数并显示出来,

1.统计各分数段人数并显示出来,

main() { int a,b,c,d,e,f,g,h,i,j,k,l,m; a=b=c=d=e=f=g=h=j=k=l; for(i=0;i<20;i++) {printf("input the score:"); scanf("%d",&m); m=m/10; switch(a) {case 10:a++;break; case 9:b++;break; case 8:c++;break; case 7:d++;break; case 6:e++;break; case 5:f++;break; case 4:g++;break; case 3:h++;break; case 2:j++;break; case 1:k++;break; case 0:l++;break; } } printf("100分：%d\n",a); printf("90-99分：%d\n",b); printf("80-89分：%d\n",c); printf("70-79分：%d\n",d); printf("60-69分：%d\n",e); printf("50-59分：%d\n",f); printf("40-49分：%d\n",g); printf("30-39分：%d\n",h); printf("20-29分：%d\n",j); printf("10-19分：%d\n",k); printf("0-9分：%d\n",l); }。