Submission #1605757

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, n) for(int i = 0; i < (n); i++)
#define MEM(a, x) memset(a, x, sizeof(a))
#define ALL(a) a.begin(), a.end()
#define UNIQUE(a) a.erase(unique(ALL(a)), a.end())
typedef long long ll;

string s;

int main(int argc, char const *argv[]) {
	ios_base::sync_with_stdio(false);
	cin >> s;
	FOR(i, s.size()) {
		if (i == 0 && (s[i] >= 'a' && s[i] <= 'z')) s[i] = 'A' + s[i] - 'a';
		else if (i > 0 && (s[i] >= 'A' && s[i] <= 'Z')) s[i] = 'a' + s[i] - 'A';
	}
	cout << s << endl;
	return 0;
}

Submission Info

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