Submission #862637

#TimeUsernameProblemLanguageResultExecution timeMemory
862637Ahmed_SolymanKutije (COCI21_kutije)C++14
Compilation error
0 ms0 KiB
/* In the name of Allah made by: Ahmed_Solyman */ #include <bits/stdc++.h> #include <ext/rope> using namespace std; using namespace __gnu_cxx; #pragma GCC optimize("-Ofast") #pragma GCC optimize("-O1") //-------------------------------------------------------------// typedef long long ll; typedef unsigned long long ull; #define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define PI acos(-1) #define lb lower_bound #define ub upper_bound #define endl '\n' #define all(v) v.begin(),v.end() #define allr(v) v.rbegin(),v.rend() #define sum_to(n) (n*(n+1))/2 #define pb push_back #define pf push_front #define fil(arr,x) memset(arr,x,sizeof(arr)) const ll mod=1e9+7; int dx[8]={0,1,0,-1,1,1,-1,-1}; int dy[8]={1,0,-1,0,1,-1,-1,1}; //-------------------------------------------------------------// ll lcm(ll a,ll b) { return (max(a,b)/__gcd(a,b))*min(a,b); } void person_bool(bool x) { cout<<(x?"YES":"NO")<<endl; } bool vis[1001]; int main() { //freopen("input.txt","r",stdin); //freopen("output.txt","w",stdout); #ifndef ONLINE_JUDGE freopen("input.in", "r", stdin); freopen("output.out", "w", stdout); #endif fast int n,m,q;cin>>n>>m>>q; vector<int>adj[n+5]; for(int i=0;i<m;i++){ for(int j=1;j<=n;j++){ int x;cin>>x; adj[x].push_back(j); } } vector<vector<bool>>can(n+5,vector<bool>(n+5)); queue<int>q; for(int i=1;i<=n;i++){ q.push(i); fil(vis,0); while(q.size()){ int x=q.front(); q.pop(); vis[x]=1; can[i][x]=1; for(auto ch:adj[x]){ if(!vis[ch]){ q.push(ch); } } } } while(q--){ int x,y;cin>>x>>y; cout<<(can[x][y]?"DA":"NE")<<endl; } return 0; }

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:57:15: error: conflicting declaration 'std::queue<int> q'
   57 |     queue<int>q;
      |               ^
Main.cpp:48:13: note: previous declaration as 'int q'
   48 |     int n,m,q;cin>>n>>m>>q;
      |             ^
Main.cpp:59:8: error: request for member 'push' in 'q', which is of non-class type 'int'
   59 |      q.push(i);
      |        ^~~~
Main.cpp:61:14: error: request for member 'size' in 'q', which is of non-class type 'int'
   61 |      while(q.size()){
      |              ^~~~
Main.cpp:62:15: error: request for member 'front' in 'q', which is of non-class type 'int'
   62 |       int x=q.front();
      |               ^~~~~
Main.cpp:63:9: error: request for member 'pop' in 'q', which is of non-class type 'int'
   63 |       q.pop();
      |         ^~~
Main.cpp:68:11: error: request for member 'push' in 'q', which is of non-class type 'int'
   68 |         q.push(ch);
      |           ^~~~
Main.cpp:44:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |     freopen("input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:45:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |     freopen("output.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~