oj.uz

Submission #1030259

# Submission time Handle Problem Language Result Execution time Memory
1030259 2024-07-22T01:38:15 Z vjudge1 Koala Game (APIO17_koala) C++17
48 / 100
 34 ms 468 KB 
#include "koala.h"
#include<bits/stdc++.h>
using namespace std;
mt19937 rng(243987);
int minValue(int N, int W) {
    int me[100]{1},you[100];
    playRound(me,you);
    for(int i=0;i<N;i++)
        if(you[i]==0)
            return i;
    return 0;
}

int maxValue(int N, int W) {
    int me[100],you[100];
    vector<int>theposs(N);
    iota(theposs.begin(),theposs.end(),0);
    while(theposs.size()>1){
        memset(me,0,sizeof me);
        for(auto i:theposs)
            me[i]=W/theposs.size();
        playRound(me,you);
        vector<int>theposs2;
        for(auto i:theposs)
            if(you[i])theposs2.push_back(i);
        theposs=theposs2;
    }
    return theposs[0];
}
int maxValue2(set<int>theposs, int W) {
    int me[100],you[100], ORIG=theposs.size();
    while(theposs.size()>1){
        memset(me,0,sizeof me);
        for(auto i:theposs)
            me[i]=(W+theposs.size()-ORIG)/theposs.size();
        playRound(me,you);
        set<int>theposs2;
        for(auto i:theposs)
            if(you[i])theposs2.insert(i);
        theposs=theposs2;
    }
    return *theposs.begin();
}

int greaterValue(int N, int W) {
    int me[100],you[100];
    int L=1,R=min(W/2,8);
    while(L<=R){
        int mid=L+R>>1;
        me[0]=mid;
        me[1]=mid;
        playRound(me,you);
        if(you[0]-you[1])
            return !you[0];
        if(you[0])
            L=mid+1;
        else R=mid-1;
    }
}
int lst[101];
int greaterValue2(int A,int B) {
    if(lst[A]-lst[B])
        return lst[A]<lst[B];
    int me[100]{},you[100];
    me[A]=lst[A],me[B]=lst[B];
    playRound(me,you);
    return !you[A];
}
vector<int>mergesort(vector<int>a){
    if(a.size()==1) return a;
    vector<int>a2,b2;
    shuffle(a.begin(),a.end(),rng);
    for(int i=0;i<a.size()/2;i++)
        a2.push_back(a[i]);
    for(int i=a.size()/2;i<a.size();i++)
        b2.push_back(a[i]);
    a2=mergesort(a2);
    b2=mergesort(b2);
    vector<int>finals;
    int l=0,r=0;
    while(l<a2.size()&&r<b2.size()){
        if(greaterValue2(a2[l],b2[r])) {
            finals.push_back(b2[r++]);
        } else {
            finals.push_back(a2[l++]);
        }
    }
    while(l<a2.size())
        finals.push_back(a2[l++]);
    while(r<b2.size())
        finals.push_back(b2[r++]);
    return finals;
}
void allValues(int N, int W, int *P) {
    for(int i=0;i<N;i++){
        int l=1,r=8;
        while(l<=r){
            int mid=l+r>>1;
            int me[100]{},you[100];
            me[i]=mid;
            playRound(me,you);
            if(you[i])
                lst[i]=mid,l=mid+1;
            else r=mid-1;
        }
    }
    vector<int>v(N);
    iota(v.begin(),v.end(),0);
    v=mergesort(v);
    for(int i=0;i<N;i++)
        P[v[i]]=N-i;
}

Compilation message

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:49:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |         int mid=L+R>>1;
      |                 ~^~
koala.cpp: In function 'std::vector<int> mergesort(std::vector<int>)':
koala.cpp:73:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |     for(int i=0;i<a.size()/2;i++)
      |                 ~^~~~~~~~~~~
koala.cpp:75:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |     for(int i=a.size()/2;i<a.size();i++)
      |                          ~^~~~~~~~~
koala.cpp:81:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |     while(l<a2.size()&&r<b2.size()){
      |           ~^~~~~~~~~~
koala.cpp:81:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |     while(l<a2.size()&&r<b2.size()){
      |                        ~^~~~~~~~~~
koala.cpp:88:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |     while(l<a2.size())
      |           ~^~~~~~~~~~
koala.cpp:90:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |     while(r<b2.size())
      |           ~^~~~~~~~~~
koala.cpp: In function 'void allValues(int, int, int*)':
koala.cpp:98:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   98 |             int mid=l+r>>1;
      |                     ~^~
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:59:1: warning: control reaches end of non-void function [-Wreturn-type]
   59 | }
      | ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 9 ms 344 KB Output is correct
4 Correct 10 ms 464 KB Output is correct

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 34 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
29.0 / 53.0

# Verdict Execution time Memory Grader output
1 Partially correct 18 ms 344 KB Output is partially correct
2 Partially correct 16 ms 344 KB Output is partially correct
3 Partially correct 17 ms 344 KB Output is partially correct
4 Partially correct 16 ms 344 KB Output is partially correct
5 Partially correct 20 ms 344 KB Output is partially correct
6 Partially correct 17 ms 344 KB Output is partially correct
7 Partially correct 16 ms 344 KB Output is partially correct
8 Partially correct 16 ms 344 KB Output is partially correct
9 Partially correct 16 ms 344 KB Output is partially correct
10 Partially correct 16 ms 344 KB Output is partially correct
11 Partially correct 16 ms 344 KB Output is partially correct
12 Partially correct 16 ms 456 KB Output is partially correct
13 Partially correct 16 ms 344 KB Output is partially correct
14 Partially correct 16 ms 344 KB Output is partially correct
15 Partially correct 16 ms 460 KB Output is partially correct
16 Partially correct 17 ms 344 KB Output is partially correct
17 Partially correct 17 ms 344 KB Output is partially correct
18 Partially correct 16 ms 344 KB Output is partially correct
19 Partially correct 20 ms 344 KB Output is partially correct
20 Partially correct 16 ms 344 KB Output is partially correct
21 Partially correct 16 ms 344 KB Output is partially correct
22 Partially correct 16 ms 456 KB Output is partially correct
23 Partially correct 16 ms 468 KB Output is partially correct
24 Partially correct 16 ms 344 KB Output is partially correct
25 Partially correct 16 ms 344 KB Output is partially correct
26 Partially correct 16 ms 344 KB Output is partially correct
27 Partially correct 16 ms 464 KB Output is partially correct
28 Partially correct 16 ms 344 KB Output is partially correct
29 Partially correct 17 ms 460 KB Output is partially correct
30 Partially correct 17 ms 344 KB Output is partially correct
31 Partially correct 16 ms 460 KB Output is partially correct
32 Partially correct 16 ms 344 KB Output is partially correct
33 Partially correct 16 ms 456 KB Output is partially correct
34 Partially correct 16 ms 344 KB Output is partially correct
35 Partially correct 16 ms 460 KB Output is partially correct
36 Partially correct 17 ms 344 KB Output is partially correct
37 Partially correct 17 ms 460 KB Output is partially correct
38 Partially correct 16 ms 344 KB Output is partially correct
39 Partially correct 17 ms 344 KB Output is partially correct
40 Partially correct 15 ms 344 KB Output is partially correct