Computation – Min, Max and Sum

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题目描述

Write a program which reads a sequence of n integers ai(i=1,2,…n), and prints the minimum value, maximum value and sum of the sequence.

输入

In the first line, an integer n is given. In the next line, n integers ai are given in a line.

输出

Print the minimum value, maximum value and sum in a line. Put a single space between the values.

注：还应该比较max或min与新赋值i的大小

题解

#include<bits/stdc++.h>
using namespace std;
int main() {
    int a, n, i, max, min, sum, t;
    scanf("%d %d", &n, &a);
    sum = a;
    max = a; min = a;
    while (n > 1) {
        scanf("%d", &i);
        sum = sum + i;
        if (a <= i) {
            if (max < i) {
                max = i;
            }
            if (min > a) {
                min = a;
            }
        }
        else {
            if (max < a) {
                max = a;
            }
            if (min > i) {
                min = i;
            }
        }
        n = n - 1;
    }
    cout << min << " " << max << " " << sum << endl;
    return 0;
}