Assignment 4 v3, C (gcc)

Assignment 4 v3

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//gcc 5.4.0
//HAVE TO MANUALLY DO IT EACH TIME IN REALITY THIS WOULD NOT HAPPEN
#include  <stdio.h>
#include  <math.h>
int main(void)
{
    long long a;
    long long b;
    long long c;
    long long d;
    int year;
    scanf("%lld %lld", &a , &b);
    c=a;
        d=b;
    a*=b;
    
    printf("multiplication is %lld\n", a);    
    
    a=c;
        d=b;
    a+=b;
    printf("addition is %lld\n", a);

a=c;
        d=b;
    b-=a;
    printf("large minus small is %lld\n", b);
    
    a=c;
        d=b;
    b/=a;
        printf("The large number divided by the small number is %lld\n", b);
    
    
    a=c;
        d=b;
printf("The square root of both large and small numbers are %lld and %lld\n", sqrt(a), sqrt(b));
    
    a=c;
        d=b;
printf("The cubic roots of the small and large numbers are %lld and %lld\n", cbrt(a), cbrt(b));
    
    a=c;
        d=b;
    b%=a;
    printf("Remainder of the division by large by the small%lld\n", b);
    
    scanf("%d", &year);
    if(((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) {
    printf("It is a leapyear");
       }
       else
       {
           printf("It is not a leapyear");
       }
    return 0;
}

//Multiplication of the large number by the small number.  
//Addition of the large number by the small number.  
//Subtraction of the large number by the small number.  
//Division of the large number by the small number.  
//Compute the square root of each number
//Compute the cubic root of each number
//The reminder of the division of the large number by the small number.  
//write the day of the year
//for assignment 3 leap year use the NOT symbol/exclamation when talking about leap years

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Compilation time: 0.35 sec, absolute service time: 0,48 sec

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Error(s):

source_file.c: In function ‘main’:
source_file.c:37:8: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘double’ [-Wformat=]
 printf("The square root of both large and small numbers are %lld and %lld\n", sqrt(a), sqrt(b));
        ^
source_file.c:37:8: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘double’ [-Wformat=]
source_file.c:41:8: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘double’ [-Wformat=]
 printf("The cubic roots of the small and large numbers are %lld and %lld\n", cbrt(a), cbrt(b));
        ^
source_file.c:41:8: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘double’ [-Wformat=]
source_file.c:10:15: warning: variable ‘d’ set but not used [-Wunused-but-set-variable]
     long long d;
               ^
source_file.c:12:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld", &a , &b);
     ^
source_file.c:48:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &year);
     ^
/tmp/ccuhUHEc.o: In function `main':
source.c:(.text.startup+0x112): undefined reference to `cbrt'
source.c:(.text.startup+0x126): undefined reference to `cbrt'
source.c:(.text.startup+0x1f5): undefined reference to `sqrt'
source.c:(.text.startup+0x205): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status

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