Submission #699141

#	Time	Username	Problem	Language	Result	Execution time	Memory
699141		Ahmed57	Sticks (POI11_pat)	C++14	100 / 100	275 ms	12920 KiB

pat

#include <bits/stdc++.h>
using namespace std;
vector<int> s[50];int b[50];
vector<pair<int,int>> v;
int ma1 = -1 , ma2 = 0 , ind1 = 0 , ind2 = 0 , x = 0 , d = 0 , n;
signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i = 0;i<n;i++){
        cin>>d;
        for(int j = 0;j<d;j++){
            cin>>x;
            v.push_back({x,i});
            s[i].push_back(x);
        }
        sort(s[i].begin(),s[i].end());
    }
    sort(v.begin(),v.end());
    for(int i = 0;i<v.size();i++){
        b[v[i].second] = -1;
        for(int j = 0;j<n;j++){
            if(j==v[i].second)continue;
            int d = lower_bound(s[j].begin(),s[j].end(),v[i].first+1)-s[j].begin();
            if(d>0){
                b[j]=s[j][d-1];
            }else b[j] = -1;
        }
        int ma1 = -1 , ind1 = 0 , ma2 = -1 , ind2 = 0;
        for(int j = 0;j<n;j++){
            if(ma1<b[j]){
                ma1 = b[j];
                ind1 = j;
            }
        }
        if(ma1==-1)continue;
        for(int j = 0;j<n;j++){
            if(j==ind1)continue;
            if(ma2<b[j]){
                ma2 = b[j];
                ind2 = j;
            }
        }
        if(ma2==-1)continue;
        if(ma1+ma2<=v[i].first)continue;
        cout<<v[i].second+1<<" "<<v[i].first<<" "<<ind1+1<<" "<<ma1<<" "<<ind2+1<<" "<<ma2<<endl;
        return 0;
    }
    cout<<"NIE"<<endl;
}

Compilation message (stderr)

pat.cpp: In function 'int main()':
pat.cpp:19:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i = 0;i<v.size();i++){
      |                   ~^~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 7 / 7
• Subtask 3: 7 / 7
• Subtask 4: 7 / 7
• Subtask 5: 8 / 8
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• Subtask 11: 8 / 8
• Subtask 12: 8 / 8
• Subtask 13: 8 / 8