当做到一道结构体问题时,输出一直错误,找不到原因。问题如下:
typedef struct student{float grade[3];long long int number;}stu;int main(){stu stu1;scanf("%d;%f,%f,%f", &(stu1.number), &(stu1.grade[0]), &(stu1.grade[1]), &(stu1.grade[2]));printf("The each subject score of No. %d is %.2f, %.2f, %.2f.n",stu1.number,stu1.grade[0],stu1.grade[1],stu1.grade[2]);return 0;}//输入:1410202;77,88,99//输出:The each subject score of No. 1410202 is 0.00, 0.00, 0.00.//预期结果:The each subject score of No. 1410202 is 77.00, 88.00, 99.00.这里,就是因为number是long long int类型,而该代码中无论是输入还是输出都是%d,导致输出结果错误。
为了避免这种问题,在对16进制数输入输出时都要用%lld格式输入输出
例:long long int number;
scanf("%lld",&number);
printf("%lldn",number);