Help me in solving BUGC003 problem

help
,
1

My issue

please check the errors and tell me clearly

My code

#include <stdio.h>

struct exam
{
int roll;
int marks;
char name[20];
};
int main(){
    struct exam t;
    scanf("%d",&t.roll);
    scanf("%d",&t.marks);
    scanf("%s",&t.name);

printf("\nName is : %s",t.name);
printf("\nRoll is : %d",t.roll);
printf("\nMarks are : %d",t.marks);




return 0;
}

Problem Link: Structures in C Practice Coding Problem