UVA_12503_Robot_Instruction

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char** argv) {
    int t,n,i,cont,index;
    scanf("%d",&t);
    while(t--){
        cont=0;/*origin*/
        scanf("%d",&n);
        int coord[n];
        char buff[15];
        for(i=0;i<n;i++){

            scanf("%s",&buff);
            if (strcmp(buff,"LEFT")==0){
                cont--;
                coord[i]=-1;
            }
            if(strcmp(buff,"RIGHT")==0){
                cont++;
                coord[i]=1;
            }
            if (strcmp(buff,"SAME")==0){
                scanf("%s %d",&buff,&index);
                cont+=coord[index-1];
                coord[i]=coord[index-1];
            }
        }
        printf("%d\n",cont);
    }
    return (EXIT_SUCCESS);
}