题解 | #找x#
找x
https://www.nowcoder.com/practice/069e2130430c41229ab25e47fa0949a6
#include <iostream>
using namespace std;
int main() {
int n;
while (scanf("%d", &n) != EOF) {
int arr[n];
for (int i = 0; i < n; i++) {
scanf("%d", &arr[i]);
}
int x;
int tag = -1;
scanf("%d", &x);
for (int i = 0; i < n; i++) {
if (x == arr[i]) {
tag = i;
}
}
printf("%d", tag);
}
}


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