제출 #722061

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
722061		Sam_a17	Team Contest (JOI22_team)	C++17	0 / 100	108 ms	37484 KiB

team

#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
 
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
 
#define sz(x) (int((x).size()))
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
#define blt(x) __builtin_popcount(x)
 
#define pb push_back
#define popf pop_front
#define popb pop_back
 
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
 
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'
 
// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};
 
// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
  fastIO();
 
  if (str != "") {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
  }
}
// Indexed Set
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 250005;
int x[N], y[N], z[N];
int n, is_del[N];

set<pair<int, int>> sty, stz;

void del(int index) {
  if(!is_del[index]) {
    sty.erase({y[index], index});
    stz.erase({z[index], index});
    is_del[index] = 1;
  }
}

struct node {
  int x, y, z;
  int index;
};

vector<node> vec;

bool cmp(node& a, node& b) {
  return a.x >= b.x;
}

void solve_() {
  cin >> n;

  for(int i = 1; i <= n; i++) {
    cin >> x[i] >> y[i] >> z[i];

    vec.push_back({x[i], y[i], z[i], i});

    //
    sty.insert({y[i], i});
    stz.insert({z[i], i});
  }

  sort(all(vec), cmp);

  int answ = -1;
  for(int i = 0; i < n; i++) {
    int j = i;
    while(j < n && vec[i].x == vec[j].x) {
      del(vec[j].index);
      j++;
    }

    while (sz(sty)) {
      auto yy = *sty.rbegin();
      auto zz = *stz.rbegin();

      if(z[yy.second] == zz.first) {
        del(yy.second);
      } else if(y[zz.second] == yy.first) {
        del(zz.second);
      } else {
        break;
      }
    }

    int my = -1, mz = -1;
    if(sz(sty)) {
      my = sty.rbegin()->first;
      mz = stz.rbegin()->first;
    }

    for(int k = i; k < j; k++) {
      if(my > vec[k].y && mz > vec[k].z) {
        answ = max(answ, vec[k].x + my + mz);
      }
    }
    
    i = j - 1;
  }

  cout << answ << '\n';
}
 
int main() {
  setIO();
 
  auto solve = [&](int test_case)-> void {
    while(test_case--) {
      solve_();
    }
  };
 
  int test_cases = 1;
  // cin >> test_cases;
  solve(test_cases);
 
  return 0;
} 

컴파일 시 표준 에러 (stderr) 메시지

team.cpp: In function 'void setIO(std::string)':
team.cpp:64:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
team.cpp:65:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 27