题解 | #找x#
找x
https://www.nowcoder.com/practice/069e2130430c41229ab25e47fa0949a6
#include <stdio.h>
int main(){
int num;
scanf("%d", &num);
int arr[num];
for (int i = 0; i < num; ++i) {
scanf("%d", &arr[i]);
}
int x, i;
scanf("%d", &x);
for (i = 0; i < num; ++i) {
if(arr[i] == x){
printf("%d\n", i);
return 0;
}
}
if(i == num){
printf("-1\n");
}
return 0;
}
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