题解 | #找x#
找x
https://www.nowcoder.com/practice/069e2130430c41229ab25e47fa0949a6
#include<cstdio>
int main() {
int n ;
int arr[201];
scanf("%d", &n);
for (int i = 0 ; i < n ; ++ i) {
scanf("%d", &arr[i]);
}
int x, idx;
scanf("%d", &x);
for (idx = 0 ; idx < n ; ++ idx) {
if (arr[idx] == x) {
printf("%d\n", idx);
break;
}
}
if (idx == n) {
printf("-1");
}
}
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