29 lines
500 B
C
29 lines
500 B
C
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#include <stdio.h>
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int stack[256];
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int main(void){
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int number, i, top = 0, tmp, k;
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scanf("%d",&number);
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for(i = 0; i < number; i++){
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scanf("%d",&tmp);
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int if_in = 0;
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for(k = 0; k < top; k++)
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if(tmp == stack[k]){
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if_in = 1;
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break;
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}
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if(!if_in) stack[top++] = tmp;
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else
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for(k = 0; k < top; k++){
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if(stack[k] == tmp) stack[k] = -1;
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}
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}
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for(i = 0; i < top; i++)
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if(stack[i] != -1){
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if(i) printf(" ");
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printf("%d",stack[i]);
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}
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printf("\n");
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return 0;
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}
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