19 lines
335 B
C
19 lines
335 B
C
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#include <stdio.h>
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int main(void){
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int n[105], number, i;
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scanf("%d",&number);
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for(i = 0; i < number; i++) scanf("%d",&n[i]);
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int tgt;
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scanf("%d",&tgt);
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int if_find = -1;
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for(i = 0; i < number; i++)
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if(n[i] == tgt){
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if_find = i;
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break;
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}
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if(!(~if_find)) printf("null\n");
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else printf("%d\n",if_find);
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return 0;
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}
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