在sa f()格式字符串中尾随空格的效果如何?
scanf("%d")scanf("%d ")
#include <stdio.h>int main(void){
int i, j;
printf("enter a value for j ");
scanf("%d ",&j);
printf("j is %d\n", j);
printf("enter a value for i ");
scanf("%d", &i);
printf("i is %d\n", i);
return 0;}scanf()scanf("%d ", &j);?
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