Submission #1101960

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101960		AnhPham	Nile (IOI24_nile)	C++17	Compilation error	0 ms	0 KiB

nile

#include <bits/stdc++.h>

// #ifdef OP_DEBUG
//     #include <algo/debug.h>
// #else
//     #define debug(...) 26
// #endif

using namespace std;
// template <class Fun> class y_combinator_result {
//     Fun fun_;
// public:
//     template <class T> explicit y_combinator_result(T &&fun): fun_(std::forward <T> (fun)) {}
//     template <class ...Args> decltype(auto) operator()(Args &&...args) { return fun_(std::ref(*this), std::forward <Args> (args)...); }
// };
// template <class Fun> decltype(auto) y_combinator(Fun &&fun) { return y_combinator_result <std::decay_t <Fun>> (std::forward <Fun> (fun)); }

// #define int 	long long
// #define eb      emplace_back
// #define sz(v)   (int)(v).size()
// #define all(v)  (v).begin(), (v).end()
// #define TcT     template <class T

// const   int     MOD = (int)1e9 + 7, INF = (int)4e18 + 18;

// TcT>            bool minimize(T &lhs, const T &rhs) { return rhs < lhs ? lhs = rhs, 1 : 0; }
// TcT>            bool maximize(T &lhs, const T &rhs) { return rhs > lhs ? lhs = rhs, 1 : 0; }

// void solve();

// int32_t main() {
//     cin.tie(nullptr), cout.tie(nullptr) -> sync_with_stdio(false);
//     int testcases = 1;

// #define multitest 0
//     if (multitest) { cin >> testcases; } for (; testcases--;) { solve(); }
// }

// /* [Pham Hung Anh - 12I - Tran Hung Dao High School for Gifted Student] */

const int mxN = 1e5 + 5;

int dp[mxN];
vector <tuple <int, int, int>> queries;

vector <int> calculate_costs(vector <int> W, vector <int> A, vector <int> B, vector <int> E) {
    for (int i = 0; i < N; ++i)
        queries.eb(W[i], A[i], B[i]);
    
    sort(all(queries));

    for (int i = 0; i < N; ++i) {
        auto [w, a, b] = queries[i];
        W[i] = w, A[i] = a, B[i] = b;
    }

    vector <int> ans;
    for (int q = 1; q <= Q; ++q) {
        memset(dp, 0, sizeof (dp));
        dp[0] = A[0];
        for (int i = 1; i < N; ++i) {
            dp[i] = dp[i - 1] + A[i];
            int sum = 0;
            for (int j = i - 1; j >= 0; --j) {
                if (W[i] - W[j] <= E[q])
                    dp[i] = min(dp[i], (j == 0 ? 0 : dp[j - 1]) + B[i] + B[j] + sum);

                sum += A[j];
            }
        }

        ans.emplace_back(dp[N - 1]);
    }

}

Compilation message (stderr)

nile.cpp: In function 'std::vector<int> calculate_costs(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
nile.cpp:47:25: error: 'N' was not declared in this scope
   47 |     for (int i = 0; i < N; ++i)
      |                         ^
nile.cpp:48:17: error: 'class std::vector<std::tuple<int, int, int> >' has no member named 'eb'
   48 |         queries.eb(W[i], A[i], B[i]);
      |                 ^~
nile.cpp:50:10: error: 'all' was not declared in this scope; did you mean 'std::filesystem::perms::all'?
   50 |     sort(all(queries));
      |          ^~~
      |          std::filesystem::perms::all
In file included from /usr/include/c++/10/filesystem:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:129,
                 from nile.cpp:1:
/usr/include/c++/10/bits/fs_fwd.h:148:7: note: 'std::filesystem::perms::all' declared here
  148 |       all  =  0777,
      |       ^~~
nile.cpp:52:25: error: 'N' was not declared in this scope
   52 |     for (int i = 0; i < N; ++i) {
      |                         ^
nile.cpp:58:26: error: 'Q' was not declared in this scope
   58 |     for (int q = 1; q <= Q; ++q) {
      |                          ^
nile.cpp:61:29: error: 'N' was not declared in this scope
   61 |         for (int i = 1; i < N; ++i) {
      |                             ^
nile.cpp:72:29: error: 'N' was not declared in this scope
   72 |         ans.emplace_back(dp[N - 1]);
      |                             ^
nile.cpp:75:1: warning: no return statement in function returning non-void [-Wreturn-type]
   75 | }
      | ^