Problem p02785 (C++)

Buggy submission (status: Runtime Error):
#include <bits/stdc++.h>
using namespace std;

// input
#define INIT                                                                   \
  std::ios::sync_with_stdio(false);                                            \
  std::cin.tie(0);
#define VAR(type, ...)                                                         \
  type __VA_ARGS__;                                                            \
  MACRO_VAR_Scan(__VA_ARGS__); // __VA_ARGS__可変引数マクロ
template <typename T> void MACRO_VAR_Scan(T &t) { std::cin >> t; }
template <typename First, typename... Rest>
void MACRO_VAR_Scan(First &first, Rest &...rest) {
  std::cin >> first;
  MACRO_VAR_Scan(rest...);
}
#define VEC_ROW(type, n, ...)                                                  \
  std::vector<type> __VA_ARGS__;                                               \
  MACRO_VEC_ROW_Init(n, __VA_ARGS__);                                          \
  for (int w_ = 0; w_ < n; ++w_) {                                             \
    MACRO_VEC_ROW_Scan(w_, __VA_ARGS__);                                       \
  }
template <typename T> void MACRO_VEC_ROW_Init(int n, T &t) { t.resize(n); }
template <typename First, typename... Rest>
void MACRO_VEC_ROW_Init(int n, First &first, Rest &...rest) {
  first.resize(n);
  MACRO_VEC_ROW_Init(n, rest...);
}
template <typename T> void MACRO_VEC_ROW_Scan(int p, T &t) { std::cin >> t[p]; }
template <typename First, typename... Rest>
void MACRO_VEC_ROW_Scan(int p, First &first, Rest &...rest) {
  std::cin >> first[p];
  MACRO_VEC_ROW_Scan(p, rest...);
}
#define VEC(type, c, n)                                                        \
  std::vector<type> c(n);                                                      \
  for (auto &i : c)                                                            \
    std::cin >> i;
#define MAT(type, c, m, n)                                                     \
  std::vector<std::vector<type>> c(m, std::vector<type>(n));                   \
  for (auto &R : c)                                                            \
    for (auto &w : R)                                                          \
      std::cin >> w;
// output
template <typename T> void MACRO_OUT(const T t) { std::cout << t; }
template <typename First, typename... Rest>
void MACRO_OUT(const First first, const Rest... rest) {
  std::cout << first << " ";
  MACRO_OUT(rest...);
}
#define OUT(...) MACRO_OUT(__VA_ARGS__);
#define FOUT(n, dist)                                                          \
  std::cout << std::fixed << std::setprecision(n)                              \
            << (dist); // std::fixed 浮動小数点の書式 / setprecision
                       // 浮動小数点数を出力する精度を設定する。
#define SOUT(n, c, dist) std::cout << std::setw(n) << std::setfill(c) << (dist);
#define EOUT(...)                                                              \
  {                                                                            \
    OUT(__VA_ARGS__) BR;                                                       \
    exit(0);                                                                   \
  }
#define SP std::cout << " ";
#define TAB std::cout << "\t";
#define BR std::cout << "\n";
#define SPBR(w, n) std::cout << (w + 1 == n ? '\n' : ' ');
#define ENDL std::cout << std::endl;
#define FLUSH std::cout << std::flush;
#define SHOW(dist)                                                             \
  { std::cerr << #dist << "\t: " << (dist) << "\n"; }
#define SHOWVECTOR(v)                                                          \
  {                                                                            \
    std::cerr << #v << "\t: ";                                                 \
    for (const auto &xxx : v) {                                                \
      std::cerr << xxx << " ";                                                 \
    }                                                                          \
    std::cerr << "\n";                                                         \
  }
#define SHOWVECTOR2(v)                                                         \
  {                                                                            \
    std::cerr << #v << "\t:\n";                                                \
    for (const auto &xxx : v) {                                                \
      for (const auto &yyy : xxx) {                                            \
        std::cerr << yyy << " ";                                               \
      }                                                                        \
      std::cerr << "\n";                                                       \
    }                                                                          \
  }
#define SHOWQUEUE(a)                                                           \
  {                                                                            \
    auto tmp(a);                                                               \
    std::cerr << #a << "\t: ";                                                 \
    while (!tmp.empty()) {                                                     \
      std::cerr << tmp.front() << " ";                                         \
      tmp.pop();                                                               \
    }                                                                          \
    std::cerr << "\n";                                                         \
  }
#define SHOWSTACK(a)                                                           \
  {                                                                            \
    auto tmp(a);                                                               \
    std::cerr << #a << "\t: ";                                                 \
    while (!tmp.empty()) {                                                     \
      std::cerr << tmp.top() << " ";                                           \
      tmp.pop();                                                               \
    }                                                                          \
    std::cerr << "\n";                                                         \
  }

#define cYES cout << "YES" << endl
#define cNO cout << "NO" << endl
#define cYes cout << "Yes" << endl
#define cNo cout << "No" << endl
// utility
#define ALL(a) (a).begin(), (a).end()
#define FOR(w, a, n) for (int w = (a); w < (n); ++w)
#define RFOR(w, a, n) for (int w = (n)-1; w >= (a); --w)
#define REP(w, n) for (int w = 0; w < int(n); ++w)
#define RREP(w, n) for (int w = int(n) - 1; w >= 0; --w)
#define IN(a, x, b) (a <= x && x < b)
template <class T> inline T CHMAX(T &a, const T b) {
  return a = (a < b) ? b : a;
}
template <class T> inline T CHMIN(T &a, const T b) {
  return a = (a > b) ? b : a;
}

#define PB push_back // 配列の最後にappendする
#define MP make_pair
#define FI first
#define SE second

// test
template <class T> using V = std::vector<T>;
template <class T> using VV = V<V<T>>;

// template<typename S, typename T>
// std::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {
// 	os << "(" << p.first << ", " << p.second << ")"; return os;
// }

// type/const
#define int ll
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using PAIR = std::pair<int, int>;
using PAIRLL = std::pair<ll, ll>;
constexpr int INFINT = (1 << 30) - 1;                   // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1;             // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60;                         // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18
constexpr double eps = 1e-7;
constexpr int MOD = 1000000007;
constexpr double PI = 3.141592653589793238462643383279;
template <class T, size_t N> void FILL(T (&a)[N], const T &val) {
  for (auto &x : a)
    x = val;
}
template <class ARY, size_t N, size_t M, class T>
void FILL(ARY (&a)[N][M], const T &val) {
  for (auto &b : a)
    FILL(b, val);
}
template <class T> void FILL(std::vector<T> &a, const T &val) {
  for (auto &x : a)
    x = val;
}
template <class ARY, class T>
void FILL(std::vector<std::vector<ARY>> &a, const T &val) {
  for (auto &b : a)
    FILL(b, val);
}
// ------------>8------------------------------------->8------------

// typedef pair<int, int> pii;
// typedef pair<ll, int> pli;
// typedef pair<ll, ll> pll;
// typedef vector<int> veci;
// typedef vector<long long> vecl;

signed main() {
  INIT;

  VAR(ull, n, k);
  VEC(ull, h, n);
  sort(ALL(h));
  REP(i, k) if (n - 1 - i >= 0) h[n - 1 - i] = 0;
  ull acc = accumulate(ALL(h), 0LL);
  OUT(acc);

  return 0;
}


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

// input
#define INIT                                                                   \
  std::ios::sync_with_stdio(false);                                            \
  std::cin.tie(0);
#define VAR(type, ...)                                                         \
  type __VA_ARGS__;                                                            \
  MACRO_VAR_Scan(__VA_ARGS__); // __VA_ARGS__可変引数マクロ
template <typename T> void MACRO_VAR_Scan(T &t) { std::cin >> t; }
template <typename First, typename... Rest>
void MACRO_VAR_Scan(First &first, Rest &...rest) {
  std::cin >> first;
  MACRO_VAR_Scan(rest...);
}
#define VEC_ROW(type, n, ...)                                                  \
  std::vector<type> __VA_ARGS__;                                               \
  MACRO_VEC_ROW_Init(n, __VA_ARGS__);                                          \
  for (int w_ = 0; w_ < n; ++w_) {                                             \
    MACRO_VEC_ROW_Scan(w_, __VA_ARGS__);                                       \
  }
template <typename T> void MACRO_VEC_ROW_Init(int n, T &t) { t.resize(n); }
template <typename First, typename... Rest>
void MACRO_VEC_ROW_Init(int n, First &first, Rest &...rest) {
  first.resize(n);
  MACRO_VEC_ROW_Init(n, rest...);
}
template <typename T> void MACRO_VEC_ROW_Scan(int p, T &t) { std::cin >> t[p]; }
template <typename First, typename... Rest>
void MACRO_VEC_ROW_Scan(int p, First &first, Rest &...rest) {
  std::cin >> first[p];
  MACRO_VEC_ROW_Scan(p, rest...);
}
#define VEC(type, c, n)                                                        \
  std::vector<type> c(n);                                                      \
  for (auto &i : c)                                                            \
    std::cin >> i;
#define MAT(type, c, m, n)                                                     \
  std::vector<std::vector<type>> c(m, std::vector<type>(n));                   \
  for (auto &R : c)                                                            \
    for (auto &w : R)                                                          \
      std::cin >> w;
// output
template <typename T> void MACRO_OUT(const T t) { std::cout << t; }
template <typename First, typename... Rest>
void MACRO_OUT(const First first, const Rest... rest) {
  std::cout << first << " ";
  MACRO_OUT(rest...);
}
#define OUT(...) MACRO_OUT(__VA_ARGS__);
#define FOUT(n, dist)                                                          \
  std::cout << std::fixed << std::setprecision(n)                              \
            << (dist); // std::fixed 浮動小数点の書式 / setprecision
                       // 浮動小数点数を出力する精度を設定する。
#define SOUT(n, c, dist) std::cout << std::setw(n) << std::setfill(c) << (dist);
#define EOUT(...)                                                              \
  {                                                                            \
    OUT(__VA_ARGS__) BR;                                                       \
    exit(0);                                                                   \
  }
#define SP std::cout << " ";
#define TAB std::cout << "\t";
#define BR std::cout << "\n";
#define SPBR(w, n) std::cout << (w + 1 == n ? '\n' : ' ');
#define ENDL std::cout << std::endl;
#define FLUSH std::cout << std::flush;
#define SHOW(dist)                                                             \
  { std::cerr << #dist << "\t: " << (dist) << "\n"; }
#define SHOWVECTOR(v)                                                          \
  {                                                                            \
    std::cerr << #v << "\t: ";                                                 \
    for (const auto &xxx : v) {                                                \
      std::cerr << xxx << " ";                                                 \
    }                                                                          \
    std::cerr << "\n";                                                         \
  }
#define SHOWVECTOR2(v)                                                         \
  {                                                                            \
    std::cerr << #v << "\t:\n";                                                \
    for (const auto &xxx : v) {                                                \
      for (const auto &yyy : xxx) {                                            \
        std::cerr << yyy << " ";                                               \
      }                                                                        \
      std::cerr << "\n";                                                       \
    }                                                                          \
  }
#define SHOWQUEUE(a)                                                           \
  {                                                                            \
    auto tmp(a);                                                               \
    std::cerr << #a << "\t: ";                                                 \
    while (!tmp.empty()) {                                                     \
      std::cerr << tmp.front() << " ";                                         \
      tmp.pop();                                                               \
    }                                                                          \
    std::cerr << "\n";                                                         \
  }
#define SHOWSTACK(a)                                                           \
  {                                                                            \
    auto tmp(a);                                                               \
    std::cerr << #a << "\t: ";                                                 \
    while (!tmp.empty()) {                                                     \
      std::cerr << tmp.top() << " ";                                           \
      tmp.pop();                                                               \
    }                                                                          \
    std::cerr << "\n";                                                         \
  }

#define cYES cout << "YES" << endl
#define cNO cout << "NO" << endl
#define cYes cout << "Yes" << endl
#define cNo cout << "No" << endl
// utility
#define ALL(a) (a).begin(), (a).end()
#define FOR(w, a, n) for (int w = (a); w < (n); ++w)
#define RFOR(w, a, n) for (int w = (n)-1; w >= (a); --w)
#define REP(w, n) for (int w = 0; w < int(n); ++w)
#define RREP(w, n) for (int w = int(n) - 1; w >= 0; --w)
#define IN(a, x, b) (a <= x && x < b)
template <class T> inline T CHMAX(T &a, const T b) {
  return a = (a < b) ? b : a;
}
template <class T> inline T CHMIN(T &a, const T b) {
  return a = (a > b) ? b : a;
}

#define PB push_back // 配列の最後にappendする
#define MP make_pair
#define FI first
#define SE second

// test
template <class T> using V = std::vector<T>;
template <class T> using VV = V<V<T>>;

// template<typename S, typename T>
// std::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {
// 	os << "(" << p.first << ", " << p.second << ")"; return os;
// }

// type/const
#define int ll
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using PAIR = std::pair<int, int>;
using PAIRLL = std::pair<ll, ll>;
constexpr int INFINT = (1 << 30) - 1;                   // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1;             // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60;                         // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18
constexpr double eps = 1e-7;
constexpr int MOD = 1000000007;
constexpr double PI = 3.141592653589793238462643383279;
template <class T, size_t N> void FILL(T (&a)[N], const T &val) {
  for (auto &x : a)
    x = val;
}
template <class ARY, size_t N, size_t M, class T>
void FILL(ARY (&a)[N][M], const T &val) {
  for (auto &b : a)
    FILL(b, val);
}
template <class T> void FILL(std::vector<T> &a, const T &val) {
  for (auto &x : a)
    x = val;
}
template <class ARY, class T>
void FILL(std::vector<std::vector<ARY>> &a, const T &val) {
  for (auto &b : a)
    FILL(b, val);
}
// ------------>8------------------------------------->8------------

// typedef pair<int, int> pii;
// typedef pair<ll, int> pli;
// typedef pair<ll, ll> pll;
// typedef vector<int> veci;
// typedef vector<long long> vecl;

signed main() {
  INIT;

  VAR(ull, n, k);
  VEC(ull, h, n);
  sort(ALL(h));
  REP(i, k) {
    ll pos = n - 1 - i;
    if (pos >= 0) {
      h[pos] = 0;
    }
  }
  ull acc = accumulate(ALL(h), 0LL);
  OUT(acc);

  return 0;
}