SWUST OJ 1172紧急措施

swust oj 1172

题目描述

近日,一些热门网站遭受黑客入侵,这些网站的账号、密码及email的数据惨遭泄露。你此时拿到了那份泄露的数据,希望尽快将自己的密码更改。策略如下:小写和大写交换,非字母字符保持不变。

输入

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输出

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样例输入

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样例输出

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源代码

#include<stdio.h>
#include<string.h>
int main()
{
	char a[100];
	int i,n;
	while(~scanf("%s",a))
	{
		n=strlen(a);
		for(i=0;i<n;i++)
		{
			if(a[i]>='a' && a[i]<='z')
			{
				a[i]-=32;
			}
			else if(a[i]>='A' && a[i]<='Z')
			{
			    a[i]+=32;	
			} 
			printf("%c",a[i]);
		}
		printf("\r\n");
	}
	return 0;
}
### SWUST OJ Problem 32 Information and Solution Unfortunately, specific details about SWUST OJ problem number 32 are not directly provided in the available references. However, based on similar problems from this platform such as those mentioned in other citations, a general approach to solving typical programming challenges can be outlined. #### Understanding Common Elements of Programming Problems on SWUST OJ Platform Problems like SWUSTOJ276, SWUSTOJ77, SWUSTOJ78, SWUSTOJ1286, and SWUSTOJ1285 emphasize proper use of `if` and `else` statements along with maintaining good coding practices including appropriate formatting[^1]. For instance, when dealing with numerical outputs, `%g` is used for automatic selection between fixed-point notation (`%f`) or scientific notation (`%e`), depending on which provides more compact output without loss of precision. Given that detailed specifics regarding problem 32 aren't present here, one should look at common patterns found across different types of questions posed by platforms like these: - **Input Handling**: Typically involves reading inputs either single values or arrays/lists. - **Logic Implementation**: Applying algorithms ranging from simple arithmetic operations up through complex data structures manipulation. - **Output Formatting**: Ensuring results adhere strictly to specified formats using placeholders like `%d`, `%s`, etc., where applicable. Since no direct reference exists specifically addressing SWUST OJ problem 32 within given sources, consider exploring adjacent numbered problems around it for clues about its nature—whether mathematical computation, string processing, dynamic programming elements, et cetera—and adapt solutions accordingly while keeping best practice guidelines intact. ```c // Example C code snippet demonstrating basic structure often seen in contest-style programs #include <stdio.h> int main() { int n; scanf("%d", &n); // Read input value if (condition_based_on_problem_statement) { printf("Result under condition A\n"); } else { printf("Alternative result\n"); } return 0; } ``` --related questions-- 1. How does understanding how `%g` works help improve program efficiency? 2. What strategies could apply towards optimizing performance in competitive programming contests? 3. Can you provide examples illustrating effective usage of conditional operators (`if`, `else`) in algorithm design?
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