Submission #580932

#	Time	Username	Problem	Language	Result	Execution time	Memory
580932		drdilyor	Vision Program (IOI19_vision)	C++17	Compilation error	0 ms	0 KiB

vision

#if defined(ONPC) && !defined(_GLIBCXX_ASSERTIONS)
    #define _GLIBCXX_ASSERTIONS
#endif
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
#ifdef ONPC
    #include "t_debug.cpp"
#else
    #define debug(...) 42
#endif
#define allit(a) (a).begin(), (a).end()
#define sz(a) ((int) (a).size())
#include "vision.h"

using namespace std;
using ll = long long;
using vi = vector<int>;
namespace pd = __gnu_pbds;
template<typename K>
using ordered_set = pd::tree<K, pd::null_type, less<int>, pd::rb_tree_tag, pd::tree_order_statistics_node_update>;
template<typename... T>
using gp_hash_table = pd::gp_hash_table<T...>;//simple using statement gives warnings

const int INF = 1e9;
const ll INFL = 1e18;
const int N = 1e5;
const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rng(RANDOM);

#define ENC(i,j) ((i) * m + (j))
void construct_network(int n, int m, int dist) {
    int prev = -1;

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (i + j == dist) {
                if (prev == -1) prev = i*m + j;
                else prev = add_or({prev, i*m + j});
            }
        }
    }
    add_and(prev, prev);
    //vi pos;
    //for (int i = 0; i < n; i++) {
    //    for (int j = 0; j < m; j++) {
    //        if (i) pos.push_back(add_and({ENC(i, j), ENC(i-1, j)}));
    //        if (j) pos.push_back(add_and({ENC(i, j), ENC(i, j-1)}));
    //    }
    //}
    //if (sz(pos) >= 2) {
    //    int prev = add_or({pos[0], pos[1]});
    //    for (int i = 2; i < sz(pos); i++) {
    //        prev = add_or({prev, pos[i]});
    //    }
    //}
}
#undef ENC

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:43:13: error: could not convert 'prev' from 'int' to 'std::vector<int>'
   43 |     add_and(prev, prev);
      |             ^~~~
      |             |
      |             int