이클립스로 돌리니까 이상이없는것 같은데.. 왜틀렸는지 모르겠네요...

#include<stdio.h>

#include<string.h>

char push[] ="push";
char pop[]="pop";
char size[]="size";
char empty[]="empty";
char top[]="top";
int stack[10001]={0};
int main(){
int pointer=-1;
int count=0;
char comd[6]={0};
int data=0;
scanf("%d",&count);
while(count>0){
scanf("%s",comd);
if(!strcmp(comd,push)){
scanf("%d",&data);
stack[++pointer]=data;
}
if(!strcmp(comd,pop)){
if(pointer>-1){
printf("%d\n",stack[pointer--]);
}else printf("-1\n");
}
if(!strcmp(comd,size)){
printf("%d\n",pointer+1);
}
if(!strcmp(comd,empty)){
if(pointer<0)printf("1\n");
else printf("0\n");
}
if(!strcmp(comd,top)){
if(pointer>-1)printf("%d\n",stack[pointer]);
else printf("-1\n");
}
count--;
}
return 0;
}