oj.uz

Submission #231802

# Submission time Handle Problem Language Result Execution time Memory
231802 2020-05-14T20:53:25 Z duality Chameleon's Love (JOI20_chameleon) C++14
40 / 100
 42 ms 504 KB 
#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 ----------
#include "chameleon.h"

vi adjList[500];
int g[1000];
int ans[1000];
int getAdj(vi v,int u) {
    if (v.empty()) return 0;
    v.pb(u);
    if (Query(v) == v.size()) return 0;
    v.pop_back();
    if (v.size() == 1) {
        adjList[u-1].pb(v[0]-1);
        return 0;
    }
    int i;
    vi l,r;
    for (i = 0; i < v.size(); i++) {
        if (i < v.size()/2) l.pb(v[i]);
        else r.pb(v[i]);
    }
    getAdj(l,u),getAdj(r,u);
    return 0;
}
void Solve(int N) {
    int i,j;
    vector<vi> vv;
    for (i = 0; i < 2*N; i++) {
        for (j = 0; j < vv.size(); j++) {
            vv[j].pb(i+1),g[i] = j;
            if (Query(vv[j]) == vv[j].size()) break;
            else vv[j].pop_back();
        }
        if (j == vv.size()) g[i] = vv.size(),vv.pb(vi(1,i+1));
    }
    for (i = 0; i < 2*N; i++) {
        for (j = 0; j < vv.size(); j++) {
            if (j != g[i]) getAdj(vv[j],i+1);
        }
    }
    for (i = 0; i < 2*N; i++) {
        sort(adjList[i].begin(),adjList[i].end());
        adjList[i].resize(unique(adjList[i].begin(),adjList[i].end())-adjList[i].begin());
        if (adjList[i].size() == 3) {
            vi v;
            v.pb(i+1),v.pb(adjList[i][0]+1),v.pb(adjList[i][1]+1);
            if (Query(v) == 1) adjList[i].pop_back();
            else {
                v[2] = adjList[i][2]+1;
                if (Query(v) == 1) swap(adjList[i][1],adjList[i][2]),adjList[i].pop_back();
                else swap(adjList[i][0],adjList[i][2]),adjList[i].pop_back();
            }
        }
    }
    for (i = 0; i < 2*N; i++) {
        for (j = 0; j < adjList[i].size(); j++) {
            int v = adjList[i][j];
            if (find(adjList[v].begin(),adjList[v].end(),i) != adjList[v].end()) ans[i] = v;
        }
    }
    for (i = 0; i < 2*N; i++) {
        if (ans[i] > i) Answer(i+1,ans[i]+1);
    }
}

Compilation message

chameleon.cpp: In function 'int getAdj(vi, int)':
chameleon.cpp:65:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (Query(v) == v.size()) return 0;
         ~~~~~~~~~^~~~~~~~~~~
chameleon.cpp:73:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < v.size(); i++) {
                 ~~^~~~~~~~~~
chameleon.cpp:74:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < v.size()/2) l.pb(v[i]);
             ~~^~~~~~~~~~~~
chameleon.cpp: In function 'void Solve(int)':
chameleon.cpp:84:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (j = 0; j < vv.size(); j++) {
                     ~~^~~~~~~~~~~
chameleon.cpp:86:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if (Query(vv[j]) == vv[j].size()) break;
                 ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
chameleon.cpp:89:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (j == vv.size()) g[i] = vv.size(),vv.pb(vi(1,i+1));
             ~~^~~~~~~~~~~~
chameleon.cpp:92:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (j = 0; j < vv.size(); j++) {
                     ~~^~~~~~~~~~~
chameleon.cpp:111:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (j = 0; j < adjList[i].size(); j++) {
                     ~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Runtime error 34 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Incorrect 42 ms 420 KB Wrong Answer [3]
4 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Runtime error 34 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -