Submission #1044583

#TimeUsernameProblemLanguageResultExecution timeMemory
1044583YassineBenYounesVision Program (IOI19_vision)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> #include<chrono> #include<random> typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef double db; ll gcd(ll a , ll b) {return b ? gcd(b , a % b) : a ;} // greatest common divisor (PGCD) ll lcm(ll a , ll b) {return (a * b) / gcd(a , b);} // least common multiple (PPCM) int dx[8] = {1, 0, 0, -1, 1, 1, -1, -1}; int dy[8] = {0, 1, -1, 0, 1, -1, -1, 1}; #define endl "\n" #define ss second #define ff first #define all(x) (x).begin() , (x).end() #define pb push_back #define vi vector<int> #define vii vector<pair<int,int>> #define vl vector<ll> #define vll vector<pair<ll,ll>> #define pii pair<int,int> #define pll pair<ll,ll> #define pdd pair<double,double> #define vdd vector<pdd> #define speed ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define pbds tree<pii, null_type, less<pii>,rb_tree_tag, tree_order_statistics_node_update> using namespace __gnu_pbds; using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ////////////////////Only Clear Code////////////////////////// void usaco_problem(){ freopen("milkvisits.in", "r", stdin); freopen("milkvisits.out", "w", stdout); } void init(){ #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // ONLINE_JUDGE } const int mx = 3e5+5; const int LOG = 22; const int inf = 1e9; const ll mod = 1e9+7; const int sq = 320; #include "vision.h" /* int ind = 0; int last = 0; int arr[mx]; int n, m, k; int add_not(int x){ int y = !x; last = y; return arr[ind++] = y; } int add_and(vi v){ int y = 1; for(int i : v){ y &= arr[i]; } last = y; return arr[ind++] = y; } int add_or(vi v){ int y = 0; for(int i : v){ y |= arr[i]; } last = y; return arr[ind++] = y; } int add_xor(vi v){ int y = 0; for(int i : v){ y ^= arr[i]; } last = y; return arr[ind++] = y; }*/ void construct_network(int H, int W, int K) { n=H,m=W,k=K; ind = n*m; vi rows; for(int i = 0; i < n;i++){ vi v; for(int j = 0;j < m;j++){ v.pb(i*n+j); } int x = add_or(v); if(x == 1){ rows.pb(i); } } if(rows.size() == 1)rows.pb(rows.back()); set<pii> s; for(int i : rows){ for(int j = 0;j < m;j++){ int x = add_and({i*n+j}); if(x == 1)s.insert({i, j}); } } pii a = *s.begin(); pii b = *s.rbegin(); int dis = abs(a.ff - b.ff) + abs(a.ss - b.ss); if(dis == k){ int x = add_and({a.ff*n+a.ss}); } else{ int x = add_xor({a.ff*n+a.ss, b.ff*n+b.ss}); } } /* int32_t main(){ init(); speed; arr[0] = 1; arr[1] = 1; construct_network(3, 3, 2); cout << last << endl; }*/ /* NEVER GIVE UP! DOING SMTHNG IS BETTER THAN DOING NTHNG!!! Your Guide when stuck: - Continue keyword only after reading the whole input - Don't use memset with testcases - Check for corner cases(n=1, n=0) - Check where you declare n(Be careful of declaring it globally and in main) */

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:95:5: error: 'n' was not declared in this scope
   95 |     n=H,m=W,k=K;
      |     ^
vision.cpp:95:9: error: 'm' was not declared in this scope
   95 |     n=H,m=W,k=K;
      |         ^
vision.cpp:95:13: error: 'k' was not declared in this scope
   95 |     n=H,m=W,k=K;
      |             ^
vision.cpp:96:5: error: 'ind' was not declared in this scope; did you mean 'inf'?
   96 |     ind = n*m;
      |     ^~~
      |     inf
vision.cpp:112:36: error: could not convert '{<expression error>}' from '<brace-enclosed initializer list>' to 'std::vector<int>'
  112 |             int x = add_and({i*n+j});
      |                                    ^
      |                                    |
      |                                    <brace-enclosed initializer list>
vision.cpp:120:38: error: could not convert '{<expression error>}' from '<brace-enclosed initializer list>' to 'std::vector<int>'
  120 |         int x = add_and({a.ff*n+a.ss});
      |                                      ^
      |                                      |
      |                                      <brace-enclosed initializer list>
vision.cpp:120:13: warning: unused variable 'x' [-Wunused-variable]
  120 |         int x = add_and({a.ff*n+a.ss});
      |             ^
vision.cpp:123:51: error: could not convert '{<expression error>, <expression error>}' from '<brace-enclosed initializer list>' to 'std::vector<int>'
  123 |         int x = add_xor({a.ff*n+a.ss, b.ff*n+b.ss});
      |                                                   ^
      |                                                   |
      |                                                   <brace-enclosed initializer list>
vision.cpp:123:13: warning: unused variable 'x' [-Wunused-variable]
  123 |         int x = add_xor({a.ff*n+a.ss, b.ff*n+b.ss});
      |             ^
vision.cpp: In function 'void usaco_problem()':
vision.cpp:36:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |     freopen("milkvisits.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vision.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |     freopen("milkvisits.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vision.cpp: In function 'void init()':
vision.cpp:43:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 | freopen("input.txt", "r", stdin);
      | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
vision.cpp:45:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 | freopen("output.txt", "w", stdout);
      | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~