Compilation error in C language (pointer usage is not good...?)

t=gets.to_i

a = 0,0

US>t.times{
    aary=gets.chomp.split('')
        ifary[0] == "setup"
            s=ary[1].to_i
            n=ary[2].to_i
            a[s-1] = n
        elsifary[0] == "addition"
           x =ary[1].to_i
           a[1] = a[0] + x 
        elsifary[0] == "subtract"
            y=ary[1].to_i
            a[1] = a[0]-y 
        end
}
puts a.join('')

#include<stdio.h>
# include <string.h>

int main(void){

    charary [3];
    inta[2];
    chat;
    scanf("%s", & t);

    for(int j=0;j<t;j++){
        if(strcmp(t, "setup")==0){
            ints=ary[1];
            int n =ary[2];
            n = a[s-1];
        } 
        else if(strcmp(t, "addition")==0){
            intx =ary[1];
            a[1] = (a[0]+x);
        } 
        else if(strcmp(t, "subtract")==0){
            inty=ary[1];
            a[1] = (a[0]-y);
        }
    }
    printf("%d\n", a);
    return 0;
}