test/verify/yosupo-static-range-sum.test.cpp

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Last update: 2024-04-27 01:27:28+09:00
Problem: https://judge.yosupo.jp/problem/static_range_sum

Depends on

Code

// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/static_range_sum

#include "../../template/template.hpp"

#include "../../dp/cumulative-sum.hpp"

int main() {
  int n, q;
  cin >> n >> q;
  CumulativeSum< int64 > cs(n);
  for(int i = 0; i < n; i++) {
    int x;
    cin >> x;
    cs.add(i, x);
  }
  cs.build();
  for(int i = 0; i < q; i++) {
    int l, r;
    cin >> l >> r;
    cout << cs.fold(l, r) << "\n";
  }
}

#line 1 "test/verify/yosupo-static-range-sum.test.cpp"
// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/static_range_sum

#line 1 "template/template.hpp"
#include <bits/stdc++.h>

using namespace std;

using int64 = long long;

const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;

template <typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) {
  os << p.first << " " << p.second;
  return os;
}

template <typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) {
  is >> p.first >> p.second;
  return is;
}

template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) {
  for (int i = 0; i < (int)v.size(); i++) {
    os << v[i] << (i + 1 != v.size() ? " " : "");
  }
  return os;
}

template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
  for (T &in : v) is >> in;
  return is;
}

template <typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {
  return a < b && (a = b, true);
}

template <typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {
  return a > b && (a = b, true);
}

template <typename T = int64>
vector<T> make_v(size_t a) {
  return vector<T>(a);
}

template <typename T, typename... Ts>
auto make_v(size_t a, Ts... ts) {
  return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));
}

template <typename T, typename V>
typename enable_if<is_class<T>::value == 0>::type fill_v(T &t, const V &v) {
  t = v;
}

template <typename T, typename V>
typename enable_if<is_class<T>::value != 0>::type fill_v(T &t, const V &v) {
  for (auto &e : t) fill_v(e, v);
}

template <typename F>
struct FixPoint : F {
  explicit FixPoint(F &&f) : F(forward<F>(f)) {}

  template <typename... Args>
  decltype(auto) operator()(Args &&...args) const {
    return F::operator()(*this, forward<Args>(args)...);
  }
};

template <typename F>
inline decltype(auto) MFP(F &&f) {
  return FixPoint<F>{forward<F>(f)};
}
#line 4 "test/verify/yosupo-static-range-sum.test.cpp"

#line 1 "dp/cumulative-sum.hpp"
template <class T>
struct CumulativeSum {
  vector<T> data;

  CumulativeSum() = default;

  explicit CumulativeSum(size_t sz) : data(sz + 1, 0) {}

  void add(int k, const T &x) { data[k + 1] += x; }

  void build() {
    for (int i = 1; i < data.size(); i++) {
      data[i] += data[i - 1];
    }
  }

  T fold(int r) const {
    if (r < 0) return 0;
    return data[min(r, (int)data.size() - 1)];
  }

  T fold(int l, int r) const { return fold(r) - fold(l); }
};
#line 6 "test/verify/yosupo-static-range-sum.test.cpp"

int main() {
  int n, q;
  cin >> n >> q;
  CumulativeSum< int64 > cs(n);
  for(int i = 0; i < n; i++) {
    int x;
    cin >> x;
    cs.add(i, x);
  }
  cs.build();
  for(int i = 0; i < q; i++) {
    int l, r;
    cin >> l >> r;
    cout << cs.fold(l, r) << "\n";
  }
}

Test cases

Env	Name	Status	Elapsed	Memory
g++	example_00	AC	6 ms	4 MB
g++	max_random_00	AC	138 ms	7 MB
g++	max_random_01	AC	138 ms	7 MB
g++	max_random_02	AC	138 ms	7 MB
g++	max_random_03	AC	126 ms	7 MB
g++	max_random_04	AC	127 ms	7 MB
g++	random_00	AC	108 ms	6 MB
g++	random_01	AC	109 ms	7 MB
g++	random_02	AC	73 ms	4 MB
g++	random_03	AC	39 ms	7 MB
g++	random_04	AC	41 ms	6 MB
clang++	example_00	AC	7 ms	4 MB
clang++	max_random_00	AC	127 ms	7 MB
clang++	max_random_01	AC	128 ms	7 MB
clang++	max_random_02	AC	129 ms	7 MB
clang++	max_random_03	AC	126 ms	7 MB
clang++	max_random_04	AC	139 ms	7 MB
clang++	random_00	AC	112 ms	6 MB
clang++	random_01	AC	118 ms	7 MB
clang++	random_02	AC	79 ms	4 MB
clang++	random_03	AC	39 ms	7 MB
clang++	random_04	AC	41 ms	6 MB