提出 #75673447

---

ソースコード 拡げる

#include <bits/stdc++.h>
using namespace std;

  int64_t N;
  int64_t K;
  vector<int64_t> A(200005);
bool search(int64_t x) {
  int64_t ans = 0;
  int64_t cur = K;
  for (int64_t i = 0; i < N; i++) {
    ans = 0;
    double TTT = (x-A.at(i))/(i+1.00000);
    int64_t XX = ceil(TTT);
    if (XX > 0) {
      ans = XX;
    }
    else {
      ans = 0;
    }
    cur -= ans;
    if (cur < 0) {
      return false;
    }
  }
  return true;
}
int main() {
    cin >> N;
    cin >> K;
    for (int64_t i = 0; i < N; i++) {
      cin >> A.at(i);
    }
    // binary_search
  int64_t left = 0;
  int64_t right = A.at(0)+K+1;
  int64_t middle;
  while (right - left > 1) {
    middle = (right - left) / 2 + left;
    if (search(middle)) {
      left = middle;
    }
    else {
      right = middle;
    }
    if (search(middle) && !search(middle+1)) {
      cout << middle << endl;
      goto END;
    }
  }
  cout << middle << endl;
  END:
  return 0;
  }

提出情報

コンパイルエラー

In member function 'operator<<',
    inlined from 'main' at ./Main.cpp:50:11:
/opt/atcoder/gcc/include/c++/15.2.0/bits/ostream.h:175:25: warning: 'middle' may be used uninitialized [-Wmaybe-uninitialized]
  175 |       { return _M_insert(__n); }
      |                         ^
./Main.cpp: In function 'main':
./Main.cpp:36:11: note: 'middle' was declared here
   36 |   int64_t middle;
      |           ^

ジャッジ結果