N students and their Marks with array

 #include<stdio.h>

int main(){

    int n_students = 3;

    int n_subjects = 5;

    int marks[3][5];

    for(int i=0; i<n_students; i++){

        for(int j=0; j<n_subjects; j++){

            printf("Enter the marks of student %d in subject %d\n", i+1, j+1);

            scanf("%d", &marks[i][j]);

        }

    }

    for(int i=0; i<n_students; i++){

        for(int j=0; j<n_subjects; j++){

            printf("The marks of student %d in subject %d is: %d\n", i+1, j+1, marks[i][j]);

        }

    }

    return 0;

}