PAT 天梯赛 L1-008. 求整数段和 【水】

题目链接

https://www.patest.cn/contests/gplt/L1-008

AC代码

#include <iostream>

#include <cstdio>

#include <algorithm>

#include <cmath>

#include <deque>

#include <vector>

#include <queue>

#include <string>

#include <cstring>

#include <map>

#include <stack>

#include <set>

#include <cstdlib>

#include <ctype.h>

#include <numeric>

#include <sstream>

using namespace std;

typedef long long LL;

const double PI = 3.14159265358979323846264338327;

const double E = 2.718281828459;

const double eps = 1e-6;

const int MAXN = 0x3f3f3f3f;

const int MINN = 0xc0c0c0c0;

const int maxn = 1e5 + 5;

const int MOD = 1e9 + 7;

int main()

{

    int a, b;

    cin >> a >> b;

    int sum = 0;

    int vis;

    for (vis = 1; a <= b; a++, vis++)

    {

        printf("%5d", a);

        sum += a;

        if (vis % 5 == 0)

            cout << endl;

    }

    if ((vis - 1) % 5 != 0)

        cout << endl;

    printf("Sum = %d\n", sum);

}