C语言,输入两个整数a和b,若和大于100则输出百位以上数字,否则,输出他们...答:"输入 a b(0 0 to quit):");while(scanf("%d%d",&a,&b) == 2 && a && b) {sum = a + b;if(a + b < 100) printf("%d + %d = %d\n",a,b,sum);else printf("%d + %d : %d\n",a,b,sum / 100);printf("输入 a b(0 0 to quit):");}return 0;} ...