Submission #927651

#TimeUsernameProblemLanguageResultExecution timeMemory
927651MrDebooSeats (IOI18_seats)C++17
Compilation error
0 ms0 KiB
#include "seats.h" #include "bits/stdc++.h" using namespace std; vector<pair<int,int>>v; int ans; int slv(int in){ pair<pair<int,int>,pair<int,int>>pr={{v[in].first,v[in].first},{v[in].second,v[in].second}}; for(int i=in;i>=0;i--){ pr.first.first=min(pr.first.first,v[i].first); pr.first.second=max(pr.first.second,v[i].first); pr.second.first=min(pr.second.first,v[i].second); pr.second.second=max(pr.second.second,v[i].second); } return (in+1==(pr.second.second-pr.second.first)*(pr.first.second-pr.first.first)); } void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) { v.resize(H*W); for(int i=0;i<H*W;;i++){ v[i]={R[i],C[i]}; } for(int i=0;i<H*W;i++)ans+=slv(i); } int swap_seats(int a, int b){ ans-=slv(a)+slv(b); swap(v[a],v[b]); ans+=slv(a)+slv(b); return ans; }

Compilation message (stderr)

seats.cpp: In function 'void give_initial_chart(int, int, std::vector<int>, std::vector<int>)':
seats.cpp:18:23: error: expected primary-expression before ';' token
   18 |     for(int i=0;i<H*W;;i++){
      |                       ^
seats.cpp:18:23: error: expected ')' before ';' token
   18 |     for(int i=0;i<H*W;;i++){
      |        ~              ^
      |                       )
seats.cpp:18:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   18 |     for(int i=0;i<H*W;;i++){
      |     ^~~
seats.cpp:18:24: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   18 |     for(int i=0;i<H*W;;i++){
      |                        ^
seats.cpp:18:24: error: 'i' was not declared in this scope