제출 #927651

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
927651		MrDeboo	자리 배치 (IOI18_seats)	C++17	컴파일 에러	0 ms	0 KiB

seats

#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;
}

컴파일 시 표준 에러 (stderr) 메시지

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