算法-cpp入门语法练习题
本期小编给大家带来了最基本的语法练习题.
下面相关习题在B站视频: 链接有讲解.
下面是CPP基本语法练习题: CPP入门习题, 有兴趣可以参考:
1. 简单汇总
| 题目名称 | 题目链接 | 难度 | 思路 | 参考代码 | 备注 |
|---|---|---|---|---|---|
| 打印 “hello world” | https://www.luogu.com.cn/problem/B2002 | 无 | c //题目链接: https://www.luogu.com.cn/problem/B2002#submit //题目: B2002 Hello,World! //代码: #include<iostream> using namespace std; int main() { cout << "Hello,World!" << endl; return 0; } | ||
| 打印"小飞机" | https://ac.nowcoder.com/acm/contest/18839/1003 | 无 | c //题目链接: https://ac.nowcoder.com/acm/contest/18839/1003 //题目: 小飞机 //代码: #include<iostream> using namespace std; int main() { cout << " ** " << endl; cout << " ** " << endl; cout << "************" << endl; cout << "************" << endl; cout << " * * " << endl; cout << " * * " << endl; return 0; } | ||
| 输出第二个整数(给你三个整数) | https://www.luogu.com.cn/problem/B2003 | 无 | c //题目链接: https://www.luogu.com.cn/problem/B2003#submit //题目: B2003 输出第二个整数 //代码: #include<iostream> using namespace std; int main() { int a, b; cin >> a >> b; cout << b << endl; return 0; } | ||
| 打印字符三角形 | https://www.luogu.com.cn/problem/B2005 | 无 | cpp //题目链接: https://www.luogu.com.cn/problem/B2005 //题目: B2005 字符三角形 //代码: #include<iostream> using namespace std; int main() { char ch = '0'; cin >> ch; printf(" %c \n", ch); printf(" %c%c%c \n", ch, ch, ch); printf("%c%c%c%c%c\n", ch, ch, ch, ch, ch); return 0; } | ||
| 接收整数并输出 | https://ac.nowcoder.com/acm/problem/21985 | 无 | cpp #include<iostream> using namespace std; int main() { int num = 0; cin >> num; cout << num << endl; return 0; } | ||
| 打印字符 | https://www.luogu.com.cn/problem/B2018 | 无 | cpp #include<iostream> using namespace std; int main() { int ch; cin >> ch; cout << (char)ch << endl; return 0; } | ||
| 倒序(给你三个整数, 倒着输出) | https://ac.nowcoder.com/acm/problem/21993 | 无 | cpp #include<iostream> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << c << " " << b << " " << a; return 0; } | ||
| sizeof(int) sizeof(short) | http://ybt.ssoier.cn:8088/problem_show.php?pid=1016 | 无 | cpp cout << sizeof(int) << " " << sizeof(short) << endl; | ||
买票(使用*运算符) | https://www.nowcoder.com/practice/0ad8f1c0d7b84c6d8c560298f91d5e66 | 无 | cpp #include <iostream> using namespace std; int main() { int x = 0; cin >> x; cout << x * 100 << endl; } // 64 位输出请用 printf("%lld") | ||
| A + B 问题 | https://www.luogu.com.cn/problem/B2007 | 无 | cpp #include<iostream> using namespace std; int main() { int x = 0, y = 0; cin >> x >> y; cout << x + y << endl; return 0; } | ||
| 鸡兔同笼问题 | https://www.luogu.com.cn/problem/B2614 | 无 | cpp #include<iostream> using std::cout;using std::endl; int main() { int j = 0; int t = 0; int f = 94; int h = 35; j = ((4 * h) - f) / 2; t = h - j; cout << t << " " << j << endl; return 0; } | ||
| 计算 a+b*c | https://www.luogu.com.cn/problem/B2008 | 无 | cpp #include<iostream> using namespace std; int main() { int a = 0, b = 0, c = 0; cin >> a >> b >> c; cout << (a + b) * c << endl; return 0; } | ||
| 带余除法 | https://www.luogu.com.cn/problem/B2010 | 无 | cpp #include<iostream> using namespace std; int main() { int a = 0, b = 0; cin >> a >> b; cout << a / b << " " << a % b << endl; return 0; } | ||
| 整数个位 | https://ac.nowcoder.com/acm/problem/21990 | 无 | cpp #include<iostream> using namespace std; int main() { int n = 0; cin >> n; cout << n % 10 << endl; return 0; } | ||
| 整数十位 | https://ac.nowcoder.com/acm/problem/21991 | 无 | cpp #include<iostream> using namespace std; int main() { int n = 0; cin >> n; cout << ((n / 10) % 10) << endl; return 0; } | ||
| 时间转换 | https://ac.nowcoder.com/acm/contest/18839/1031 | 无 | cpp #include<iostream> using namespace std; int main() { int n = 0; cin >> n; int h = n / 60 / 60 % 24; int m = n / 60 % 60; int s = n % 60; cout << h << " " << m << " " << s << endl; return 0; } | ||
| 小鱼的游泳时间 | https://www.luogu.com.cn/problem/P1425 | 无 | cpp #include<iostream> using namespace std; int main() { int a = 0, b = 0, c = 0, d = 0; cin >> a >> b >> c >> d; int s1 = a * 60 + b; int s2 = c * 60 + d; int ret = s2 - s1; cout << ret / 60 << " " << ret % 60 << endl; return 0; } | ||
| 交换 a, b 的值 | http://ybt.ssoier.cn:8088/problem_show.php?pid=2064 | 无 | cpp int main() { int a = 10; int b = 20; swap(a, b); } | ||
| 按权重计算成绩 | https://ac.nowcoder.com/acm/contest/18839/1034 | 无 | cpp #include<iostream> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * 0.2 + b * 0.3 + c * 0.5 << endl; return 0; } | ||
| 浮点数向零舍入 | https://www.luogu.com.cn/problem/B2016 | 无 | cpp #include<iostream> using namespace std; int main() { double a; cin >> a; cout << (long long)a << endl; return 0; } | int范围 | |
| 打印 ASCII 码 | https://www.luogu.com.cn/problem/B2017 | 无 | cpp #include<iostream> using namespace std; int main() { char ch; cin >> ch; cout << (int)ch << endl; return 0; } | ||
| 打印字符 | https://www.luogu.com.cn/problem/B2018 | 无 | cpp #include<iostream> using namespace std; int main() { int ch; cin >> ch; cout << (char)ch << endl; return 0; } |
因为整体都很简单, 因此只给了链接 和 参考代码, 再不懂可以见视频:
视频链接
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