Submission #1058688

#	Time	Username	Problem	Language	Result	Execution time	Memory
1058688		user736482	Make them Meet (EGOI24_makethemmeet)	C++17	21 / 100	2 ms	604 KiB

Main

#include<bits/stdc++.h>
using namespace std;
long long a,b,c,t,n,x,y,m;
vector<int>v1,v2,v3;
bool ifstar=1,iftree=1;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin>>n>>m;
    srand(2137);
    for(int i=0;i<m;i++){
        cin>>a>>b;
        if(a!=0 || b!=i+1)
            ifstar=0;
        if(a!=i || b!=i+1)
            iftree=0;
            }
    if(iftree){
    for(int i=0;i<n;i++){
        v1.push_back(i/2);
        v2.push_back((i+1)/2);
    }
    if(m==n*(n-1)/2)
        iftree=1;
    cout<<600<<"\n";
    for(int i=0;i<600;i++){
        if(i&1)
            for(int j=0;j<v1.size();j++)
                cout<<v1[j]<<" ";
        else
            for(int j=0;j<v2.size();j++)
                cout<<v2[j]<<" ";
        cout<<"\n";
    }}
    else if(ifstar){
        for(int i=0;i<n;i++)
            v3.push_back(i);
        cout<<2*n-2+1<<"\n";
        for(int i=0;i<n;i++)
            cout<<0<<" ";
        cout<<"\n";
        for(int i=1;i<n;i++){
            for(int j=0;j<n;j++){
                if(j==i)
                    cout<<0<<" ";
                else
                    cout<<v3[j]<<" ";
            }
            cout<<"\n";
            for(int j=0;j<n;j++){
                if(j==i)
                    cout<<0<<" ";
                else
                    cout<<v3[j]<<" ";
            }
            cout<<"\n";
        }
    }
    else{
        for(int i=0;i<600;i++){
            for(int i=0;i<n;i++)
                cout<<rand()%(n/2)<<" ";
            cout<<"\n";
        }
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:29:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |             for(int j=0;j<v1.size();j++)
      |                         ~^~~~~~~~~~
Main.cpp:32:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |             for(int j=0;j<v2.size();j++)
      |                         ~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 13
• Subtask 3: 11 / 11
• Subtask 4: 0 / 36
• Subtask 5: 0 / 30