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题解 | #尼科彻斯定理#

#include <bits/stdc++.h> using namespace std; int main() { int n; int first; while (cin >> n) { first = n*n - n + 1; ...

C++

2021-09-22

2 502

题解 | #公共子串计算#

import java.util.*; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String...

Java

2021-09-22

0 424

题解 | #计算日期到天数转换#

import java.text.*; import java.util.*; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System...

Java

2021-09-22

0 420

题解 | #参数解析#

import java.util.*; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); if (sc...

Java

2021-09-22

0 395

题解 | #计算某字母出现次数#

为何不用哈希表： #include <iostream> #include <unordered_map> using namespace std; int main() { char ch; unordered_map<int, int> has...

哈希表

2021-05-21

1 415