Submission #230583

#TimeUsernameProblemLanguageResultExecution timeMemory
230583soroushTopovi (COCI15_topovi)C++14
6 / 120
2102 ms45700 KiB
#include <map> #include <iostream> using namespace std; typedef long long ll; typedef pair<int ,int > pii; #define endl '\n' #define migmig ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); map < int , int > cntstr , cntstn; map < pii , int > rook; map < int , int > str , stn; ll ans = 0; int n , k , p; void add(int x ,int y , int w){ rook[{x , y}]^=w; ans+=(cntstn[str[x]] + cntstr[stn[y]]); ans+=ll(str[x]!=stn[y]); cntstr[str[x]]--; cntstn[stn[y]]--; str[x]^=w; stn[y]^=w; cntstr[str[x]]++; cntstn[stn[y]]++; ans-=ll(str[x]!=stn[y]); ans-=(cntstn[str[x]] + cntstr[stn[y]]); } int main(){ migmig cin >> n >> k >> p; cntstr[0] = cntstn[0] = n; for(int i = 0 ; i < n; i ++){ int x , y; cin >> x >> y; int w; cin >> w; add(x , y , w); } while(p--){ int x1 , y1 , x2 , y3; cin >> x1 >> y1 >> x2 >> y3; int val = rook[{x1 , y1}]; add(x1 , y1 , val); add(x2 , y3 , val); cout << ans << endl; } return(0); }
#Verdict Execution timeMemoryGrader output
Fetching results...