提出 #72363804

---

ソースコード 拡げる

#include<bits/stdc++.h>
#define LL long long
#define PLL pair<LL, LL>
#define PLI pair<LL, int>
#define PII pair<int, int>
#define int LL
using namespace std;

inline void solve() {
	int n, q; cin >> n >> q;
	vector<LL> a(n + 1);
	for (int i = 1; i <= n; i++) cin >> a[i];
	sort(a.begin() + 1, a.end());
	while (q--) {
		LL x, y; cin >> x >> y;
		int pre = lower_bound(a.begin() + 1, a.end(), x) - a.begin() - 1;
		LL l = x + y - 1; LL r = l + n + 5, out;
		while (l <= r) {
			LL mid = (l + r) >> 1;
			int cnt = upper_bound(a.begin() + 1, a.end(), mid) - a.begin() - 1;
			LL val = mid - x + 1 - (cnt - pre);
//			cout << mid << " " << cnt << " " << val << "\n";
			if (a[cnt] == mid && val == y) val++;
			if (val == y) {
				out = mid;
				break;
			} else if (val < y) l = mid + 1;
			else r = mid - 1;
		}
		cout << out << "\n";
	}
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
	int t = 1;
	//cin >> t;
	while (t--) solve();
	return 0;
}

提出情報

コンパイルエラー

In member function 'operator<<',
    inlined from 'solve' at ./Main.cpp:30:11,
    inlined from 'main' at ./Main.cpp:37:19:
/opt/atcoder/gcc/include/c++/15.2.0/bits/ostream.h:212:25: warning: 'out' may be used uninitialized [-Wmaybe-uninitialized]
  212 |       { return _M_insert(__n); }
      |                         ^
./Main.cpp: In function 'main':
./Main.cpp:17:53: note: 'out' was declared here
   17 |                 LL l = x + y - 1; LL r = l + n + 5, out;
      |                                                     ^

ジャッジ結果