Submission #1048769

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1048769	2024-08-08T09:29:07 Z	RecursiveCo	Bikeparking (EGOI24_bikeparking)	C++17	Compilation error	0 ms	0 KB

Main

// CF template, version 3.0

#include <bits/stdc++.h>

using namespace std;

#define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0)
#define getTest int t; cin >> t
#define eachTest for (int _var=0;_var<t;_var++)
#define get(name) int (name); cin >> (name)
#define out(o) cout << (o)
#define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
#define sortl(name) sort((name).begin(), (name).end())
#define rev(name) reverse((name).begin(), (name).end())
#define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
#define decision(b) if (b){out("YES");}else{out("NO");}

//#define int long long int

template <typename T, typename I>
struct segtree {
    int n;
    vector<T> tree;
    vector<I> initial;
    T id;

    segtree(int i_n, vector<I> i_initial, T i_id): n(i_n), initial(i_initial), id(i_id) {
        tree.resize(4 * n);
    }

    T conquer(T left, T right) {
        // write your conquer function
    }

    T value(I inp) {
        // write your value function
    }

    void build(int v, int l, int r) {
        if (l == r) tree[v] = value(initial[l]);
        else {
            int middle = (l + r) / 2;
            build(2 * v, l, middle);
            build(2 * v + 1, middle + 1, r);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    void upd(int v, int l, int r, int i, I x) {
        if (l == r) tree[v] = value(x);
        else {
            int middle = (l + r) / 2;
            if (middle >= i) upd(2 * v, l, middle, i, x);
            else upd(2 * v + 1, middle + 1, r, i, x);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    T query(int v, int l, int r, int ql, int qr) {
        if (ql <= l && r <= qr) return tree[v];
        else if (r < ql || qr < l) return id;
        int middle = (l + r) / 2;
        T left = query(2 * v, l, middle, ql, qr);
        T right = query(2 * v + 1, middle + 1, r, ql, qr);
        return conquer(left, right);
    }
};

// vector<int>

vector<int> X;
vector<int> Y;

pair<int, int> eval(int middle) {
    vector<array<int, 3>> events;
    int pref = 0;
    int n = X.size(); // = Y.size()
    forto(n, i) {
        if (pref >= middle + 1) break;
        events.push_back({pref, 0, i});
        pref += X[i];
    }
    int suf = 0;
    for (int i = n - 1; i >= 0; i--) {
        if (suf >= middle + 1) break;
        suf += Y[i];
        events.push_back({max(0ll, middle + 1 - suf), 1, i});
    }
    sortl(events);
    int bad = 0;
    int nvals = 0;
    int neutral = 0;
    int x = 0;
    int y = 0;
    int ptr = 0;
    int s = events.size();
    int val = 0;
    while (ptr < s) {
        while (ptr < s && events[ptr][0] == val) {
            int typ = events[ptr][1];
            int setto = events[ptr][2];
            if (typ) y = setto;
            else x = setto;
            ptr++;
        }
        if (y < x) bad++;
        else if (y == x) nvals++, neutral += (ptr < s? events[ptr][0]: middle + 1) - val;
        if (ptr < s) val = events[ptr][0];
    }
    if (bad) return {-1, -1};
    return {nvals, neutral};
}

signed main() {
    improvePerformance;
    get(n);
    forto(n, i) {
        get(x);
        X.push_back(x);
    }
    forto(n, i) {
        get(y);
        Y.push_back(y);
    }
    int ysum = 0;
    forto(n, i) ysum += Y[i];
    if (ysum == 0) {
        out(0);
        return 0;
    }
    int xsum = 0;
    forto(n, i) {
        if (xsum + X[i] >= ysum) {
            X[i] = ysum - xsum;
            break;
        }
        xsum += X[i];
    }
    int l = 0;
    int r = ysum;
    while (r - l > 1) {
        int middle = (l + r) / 2;
        auto value = eval(middle);
        if (value.first == -1 || value.first > 2) r = middle;
        else l = middle;
    }
    if (eval(l).second == -1) out(-ysum);
    else out((l + 1) - (ysum - (l + 1)) - eval(l).second);
}

Compilation message

Main.cpp: In function 'std::pair<int, int> eval(int)':
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:78:5: note: in expansion of macro 'forto'
   78 |     forto(n, i) {
      |     ^~~~~
Main.cpp:87:52: error: no matching function for call to 'max(long long int, int)'
   87 |         events.push_back({max(0ll, middle + 1 - suf), 1, i});
      |                                                    ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from Main.cpp:3:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
Main.cpp:87:52: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   87 |         events.push_back({max(0ll, middle + 1 - suf), 1, i});
      |                                                    ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from Main.cpp:3:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
Main.cpp:87:52: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   87 |         events.push_back({max(0ll, middle + 1 - suf), 1, i});
      |                                                    ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:3:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
Main.cpp:87:52: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   87 |         events.push_back({max(0ll, middle + 1 - suf), 1, i});
      |                                                    ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:3:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
Main.cpp:87:52: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   87 |         events.push_back({max(0ll, middle + 1 - suf), 1, i});
      |                                                    ^
Main.cpp:87:60: error: no matching function for call to 'std::vector<std::array<int, 3> >::push_back(<brace-enclosed initializer list>)'
   87 |         events.push_back({max(0ll, middle + 1 - suf), 1, i});
      |                                                            ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:3:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::array<int, 3>; _Alloc = std::allocator<std::array<int, 3> >; std::vector<_Tp, _Alloc>::value_type = std::array<int, 3>]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::array<int, 3>&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::array<int, 3>; _Alloc = std::allocator<std::array<int, 3> >; std::vector<_Tp, _Alloc>::value_type = std::array<int, 3>]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::array<int, 3> >::value_type&&' {aka 'std::array<int, 3>&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
Main.cpp: In function 'int main()':
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'n' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:116:5: note: in expansion of macro 'get'
  116 |     get(n);
      |     ^~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:117:5: note: in expansion of macro 'forto'
  117 |     forto(n, i) {
      |     ^~~~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'x' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:118:9: note: in expansion of macro 'get'
  118 |         get(x);
      |         ^~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:121:5: note: in expansion of macro 'forto'
  121 |     forto(n, i) {
      |     ^~~~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'y' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:122:9: note: in expansion of macro 'get'
  122 |         get(y);
      |         ^~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:126:5: note: in expansion of macro 'forto'
  126 |     forto(n, i) ysum += Y[i];
      |     ^~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:132:5: note: in expansion of macro 'forto'
  132 |     forto(n, i) {
      |     ^~~~~