Submission #344070

#	Time	Username	Problem	Language	Result	Execution time	Memory
344070		beksultan04	Meetings (JOI19_meetings)	C++14	17 / 100	3048 ms	10476 KiB

meetings

#include "meetings.h"
//#include "grader.cpp"
#include <bits/stdc++.h>

#define ll long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
using namespace std;
bool vis[2001],voobshe[2001];
void Solve(int N) {
    int x = Query(0, 1, 2);
    if (N == 3){
        if (x == 0){
            Bridge(0,1);
            Bridge(0,2);
        }
        else if (x == 1){
            Bridge(1,2);
            Bridge(0,1);
        }
        else {
            Bridge(0,2);
            Bridge(1,2);
        }
        ret ;
    }
    int y = 1,i,j,cnt=0,k;
//    if (x == 1)y = 0;
//    vis[x]=1;
//    vis[y]=1;
//    while (1){
//        for (i=0;i<N;++i){
//            if (vis[i])continue;
//            int s = Query(x,y,i);
//            if (s != x && s != y && voobshe[s] == 0){
//                y = s;
//                for (j=0;j<N;++j)
//                    vis[j]=0;
//                vis[x]=1;
//                vis[y]=1;
//            }
//        }
//        cout <<x<<" "<<y<<"\n";
//        voobshe[x]=1;
//        x = y;
//        while (voobshe[y] || x == y){
//            y++;
//            y %= N;
//        }
//                vis[x]=1;
//                vis[y]=1;
//        OK
//    }


    map <pair<pii,int>,int > mp;
    for (i=0;i<N;++i){
        for (j=i+1;j<N;++j){
            vis[i]=1;vis[j]=1;

            bool f=1;
            for (k=0;k<N;++k){
                if (vis[k])continue;
                int a = i,b = j,c = k,s;
                /// our sort -_0
                if (a > b)swap(a,b);if (b > c)swap(b,c);if (a > b)swap(a,b);if (a > b)swap(a,b);if (b > c)swap(b,c);if (a > b)swap(a,b);
                if (mp.count({{a,b},c})==0){
                    s = Query(i,j,k);
                    mp[{{a,b},c}] = s;
                    {
                        int mass[3];
                        mass[0]=a;
                        mass[1]=b;
                        mass[2]=s;
                        sort(mass,mass+3);
                        mp[{{mass[0],mass[1]},mass[2]}] = s;

                    }
                    {
                        int mass[3];
                        mass[0]=a;
                        mass[1]=s;
                        mass[2]=c;
                        sort(mass,mass+3);
                        mp[{{mass[0],mass[1]},mass[2]}] = s;

                    }
                    {
                        int mass[3];
                        mass[0]=s;
                        mass[1]=b;
                        mass[2]=c;
                        sort(mass,mass+3);
                        mp[{{mass[0],mass[1]},mass[2]}] = s;

                    }
                }
                else s = mp[{{a,b},c}];

                if (s != i && s != j){
                    f=0;
                    break;
                }
                vis[k]=1;
            }
            if (f){
                Bridge(i, j);
            }
            for (k=0;k<N;++k)vis[k] = 0;
        }
    }

}

Compilation message (stderr)

meetings.cpp: In function 'void Solve(int)':
meetings.cpp:76:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   76 |                 if (a > b)swap(a,b);if (b > c)swap(b,c);if (a > b)swap(a,b);if (a > b)swap(a,b);if (b > c)swap(b,c);if (a > b)swap(a,b);
      |                 ^~
meetings.cpp:76:37: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   76 |                 if (a > b)swap(a,b);if (b > c)swap(b,c);if (a > b)swap(a,b);if (a > b)swap(a,b);if (b > c)swap(b,c);if (a > b)swap(a,b);
      |                                     ^~
meetings.cpp:37:9: warning: unused variable 'y' [-Wunused-variable]
   37 |     int y = 1,i,j,cnt=0,k;
      |         ^
meetings.cpp:37:19: warning: unused variable 'cnt' [-Wunused-variable]
   37 |     int y = 1,i,j,cnt=0,k;
      |                   ^~~

• Subtask 1: 7 / 7
• Subtask 2: 10 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 71