Submission #618160

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
618160	2022-08-02 01:29:03	rrrr10000	Aliens (IOI16_aliens)	C++14	Compilation error	0 ms	0 KiB

aliens

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<bool> vb;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define all(a) a.begin(),a.end()
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
#define fi first
#define se second
#define pb emplace_back
template<class T> void out(T a){cout<<a<<endl;}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<endl;}
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
const ll inf=1001001001001001001;
long long take_photos1(int n, int m, int K, std::vector<int> r, std::vector<int> c) {
    vp srt(n);
    rep(i,n)srt[i]=P(max(r[i],c[i]),min(r[i],c[i]));
    sort(all(srt));
    vp v;v.pb(-1,-1);
    for(auto x:srt){
        while(v.size()&&v.back().fi>=x.se)v.pop_back();
 
 
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Compilation message (stderr)

aliens.cpp: In function 'long long int take_photos(int, int, int, std::vector<int>, std::vector<int>)':
aliens.cpp:129:25: error: cannot convert 'std::pair<long long int, long long int>' to 'long long int' in return
  129 |     if(K==n-1)return sol(0);
      |                      ~~~^~~
      |                         |
      |                         std::pair<long long int, long long int>