为什么scanf需要额外的尺寸?喜欢有什么不对劲:
int main() {
printf("enter the first distance:\n");
printf("Feet: ");
scanf("%d\n", &d1.feet);
printf("Inch:");
scanf("%d\n", &d2.inch);
printf("enter the second distance:\n");
printf("Feet: ");
scanf("%d\n", &d2.feet);
printf("inch: ");
scanf("%d\n", &d2.inch);
sum.feet = d1.feet + d2.feet;
sum.inch = d1.inch + d2.inch;
printf("sum of distance: %d, %d", sum.feet, sum.inch);
return 0;
}
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