摘要：
A void solve() { string s, s1; cin >> s; s1 = s; sort(s1.begin(), s1.end()); char ans; if (s1[0] == s1[1]) ans = s1.back(); else ans = s1[0]; for (int 阅读全文
摘要：
A void solve() { ll n, sum = 0; cin >> n; for (int i = 1; i <= n; i++) { ll x; cin >> x; sum += abs(x); } cout << sum << endl; } B 分类讨论 void solve() { 阅读全文