# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
927651 |
2024-02-15T08:16:52 Z |
MrDeboo |
Seats (IOI18_seats) |
C++17 |
|
0 ms |
0 KB |
#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
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