Submission #586118

#	Time	Username	Problem	Language	Result	Execution time	Memory
586118		tamthegod	Team Contest (JOI22_team)	C++14	0 / 100	1 ms	340 KiB

team

#include<bits/stdc++.h>

#define int long long
#define pb push_back
#define fi first
#define se second
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e6 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18;
int n;
int f[maxN];
struct Tpart
{
    int x, y, z;
} a[maxN];
void ReadInput()
{
    cin >> n;
    for(int i=1; i<=n; i++)
        cin >> a[i].x >> a[i].y >> a[i].z;
}
void Solve()
{
    int res = -1;
    for(int i=1; i<=n; i++)
    {
        vector<Tpart> vc;
        for(int j=1; j<=n; j++)
            if(a[j].x < a[i].x)
                vc.emplace_back(a[j]);
        sort(vc.begin(), vc.end(), [](Tpart p, Tpart q)
        {
            return p.y > q.y;
        });
        f[vc.size()] = 0;
        for(int j=(int)vc.size()-1; j>=0; j--)
            f[j] = max(f[j - 1], a[j].z);
        int t = 0;
        for(int j=0; j<vc.size(); j++)
        {
            while(t < vc.size() && a[t].y <= a[j].y) t++;
            if(t < vc.size()) res = max(res, a[i].x + a[j].y + f[t]);
        }
    }
    cout << res;
}
int32_t main()
{
 //  freopen("x.inp", "r", stdin);
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    ReadInput();
    Solve();
}

Compilation message (stderr)

team.cpp: In function 'void Solve()':
team.cpp:44:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<Tpart>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int j=0; j<vc.size(); j++)
      |                      ~^~~~~~~~~~
team.cpp:46:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<Tpart>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |             while(t < vc.size() && a[t].y <= a[j].y) t++;
      |                   ~~^~~~~~~~~~~
team.cpp:47:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<Tpart>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |             if(t < vc.size()) res = max(res, a[i].x + a[j].y + f[t]);
      |                ~~^~~~~~~~~~~

• 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