Submission #525280

#	Time	Username	Problem	Language	Result	Execution time	Memory
525280		Khizri	Football (info1cup20_football)	C++17	58 / 100	2087 ms	1048580 KiB

football

#include <bits/stdc++.h>
using namespace std;
//------------------------------DEFINE------------------------------
//******************************************************************
#define IOS ios_base::sync_with_stdio(false); cin.tie(0),cout.tie(0)
#define ll long long
#define pb push_back
#define F first
#define S second
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
#define endl "\n"
//******************************************************************
//----------------------------FUNCTION------------------------------
//******************************************************************
ll gcd(ll a,ll b){
    if(a>b) swap(a,b);
    if(a==0) return a+b;
    return gcd(b%a,a);
}
ll lcm(ll a,ll b){
    return a/gcd(a,b)*b;
}
bool is_prime(ll n){
    ll k=sqrt(n);

    if(n==2) return true;
    if(n<2||n%2==0||k*k==n) return false;
    for(int i=3;i<=k;i+=2){
        if(n%i==0){
            return false;
        }
    }
    return true;
}
//*****************************************************************
//--------------------------MAIN-CODE------------------------------
const int mxn=2e5+5;
int t=1,n,k,arr[mxn],dp[107][107];
bool funk(int k,vector<int>vt,int ind,int say,int sum){
    if(ind!=-1){
        vt[ind]-=say;
        sum-=say;
    }
    if(sum%2==1) return 1;
    for(int i=0;i<vt.size();i++){
        for(int j=1;j<=min(k,vt[i]);j++){
            if(!funk(j,vt,i,j,sum)) return true;
        }
    }
    return false;
}
bool funk2(int n,int k){
    if(dp[n][k]!=-1) return dp[n][k];
    if(n%2==1) dp[n][k]=1;
    if(!n) return 0;
    for(int i=1;i<=min(n,k);i++){
        if(funk2(n-i,i)==0){
            return dp[n][k]=1;
        }
    }
    return dp[n][k]=0;
}
void solve(){
    cin>>n>>k;
    ll sum=0;
    vector<int>vt;
    for(int i=1;i<=n;i++){
        cin>>arr[i];
        sum+=arr[i];
        vt.pb(arr[i]);
    }
    if(n==1){
        ll q=1;
        while(arr[1]%(q*2)==0){
            q*=2;
        }
        if(k<q){
            cout<<0;
        }
        else{
            cout<<1;
        }
        return;
    }
    if(sum%2==1){
        cout<<1;
        return;
    }
    else if(k==1){
        cout<<0;
        return;
    }
    if(funk(k,vt,-1,0,sum)){
        cout<<1;
    }
    else{
        cout<<0;
    }
}
int main(){
    IOS;
    cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Compilation message (stderr)

football.cpp: In function 'bool funk(int, std::vector<int>, int, int, int)':
football.cpp:51:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |     for(int i=0;i<vt.size();i++){
      |                 ~^~~~~~~~~~
football.cpp: In function 'bool funk2(int, int)':
football.cpp:64:28: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   64 |             return dp[n][k]=1;
      |                    ~~~~~~~~^~
football.cpp:67:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   67 |     return dp[n][k]=0;
      |            ~~~~~~~~^~

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 0 / 11
• Subtask 4: 8 / 8
• Subtask 5: 16 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8