Submission #547458

#	Time	Username	Problem	Language	Result	Execution time	Memory
547458		duality	Team Contest (JOI22_team)	C++17	100 / 100	659 ms	29100 KiB

team

#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int a[150000][3];
vpii v[3];
int del[150000],num[150000];
multiset<int> S[3];
queue<int> Q;
int main() {
    int i;
    int N;
    scanf("%d",&N);
    for (i = 0; i < N; i++) scanf("%d %d %d",&a[i][0],&a[i][1],&a[i][2]);

    int j;
    for (i = 0; i < N; i++) {
        for (j = 0; j < 3; j++) v[j].pb(mp(a[i][j],i)),S[j].insert(a[i][j]);
    }
    int p[3];
    p[0] = p[1] = p[2] = N-1;
    for (i = 0; i < 3; i++) S[i].insert(-1),sort(v[i].begin(),v[i].end());
    for (i = 0; i < 3; i++) {
        while ((p[i] >= 0) && (v[i][p[i]].first >= *S[i].rbegin())) {
            num[v[i][p[i]].second]++;
            if (num[v[i][p[i]].second] >= 2) Q.push(v[i][p[i]].second);
            p[i]--;
        }
    }
    while (!Q.empty()) {
        int u = Q.front();
        Q.pop();

        if (!del[u]) {
            del[u] = 1;
            for (i = 0; i < 3; i++) S[i].erase(S[i].find(a[u][i]));
            for (i = 0; i < 3; i++) {
                while ((p[i] >= 0) && (v[i][p[i]].first >= *S[i].rbegin())) {
                    num[v[i][p[i]].second]++;
                    if (num[v[i][p[i]].second] >= 2) Q.push(v[i][p[i]].second);
                    p[i]--;
                }
            }
        }
    }
    if (S[0].size() == 1) printf("-1\n");
    else printf("%d\n",*S[0].rbegin()+*S[1].rbegin()+*S[2].rbegin());

    return 0;
}

Compilation message (stderr)

team.cpp: In function 'int main()':
team.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |     scanf("%d",&N);
      |     ~~~~~^~~~~~~~~
team.cpp:67:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |     for (i = 0; i < N; i++) scanf("%d %d %d",&a[i][0],&a[i][1],&a[i][2]);
      |                             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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