#include <iostream> using namespace std; int main() { cout << "【输入提示】" ; cout << "第1行：输入整数m，表示数字总个数（0 ≤ m ≤ 100）" << endl; cout << "第2行：输入m个整数，数字之间用空格隔开" << endl; cout << "第3行：输入需要查找的目标数字n" << endl; cout << "【输出规则】找到输出首次出现位置（从1计数），找不到输出-1" << endl; int m; cout << "请输入数字个数m："; cin >> m; int a[105]; cout << "请输入" << m << "个整数："; for (int i = 0; i < m; ++i) { cin >> a[i]; } int n; cout << "请输入要查找的数字n："; cin >> n; int res = -1; for (int i = 0; i < m; ++i) { if (a[i] == n) { res = i + 1; break; } } cout << "\n【查找结果】" << res << endl; return 0; }