Submission #939571

#	Time	Username	Problem	Language	Result	Execution time	Memory
939571		guymmk	Poi (IOI09_poi)	C++14	50 / 100	204 ms	4184 KiB

poi

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define endl "\n"
#define vi vector<int>
#define vpii vector<pair<int,int> >
#define umap unordered_map
#define uset unordered_set
#define mk make_pair
#define pb push_back
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()
#define read(x) for (auto& zu: (x)) cin >> zu;
#define F first
#define S second
#define mustawa ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr)
#define pii pair<int,int>
#define mishari main
const int inf=1e9+7;
void fa(bool ok){ cout << (ok ? "YES": "NO") << "\n";}
void usaco(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
void solve(){
    int n,t,p;
    cin>>n>>t>>p;
    vector<array<int,3>> v(n);
    vector<int>points(n);
    bool solved[n][t]={};
    for(int i=0;i<n;i++){
        for(int j=0;j<t;j++){
            int x;
            cin>>x;
            solved[i][j]=x;
            points[j]+=!x;
            v[n-i-1][1]+=x;
        }
    }for(int i=0;i<n;i++){
        v[i][2]=n-i;
        for(int j=0;j<t;j++){
            if(solved[i][j]){
                v[i][0]+=points[j];
            }
        }
    }sort(allr(v));
    for(int i=0;i<n;i++){
        if(v[i][2]==n-p+1){
            cout<<v[i][0]<<" "<<i+1<<endl;
        }
    }
}signed mishari(){
    mustawa;
    int t=1;
    //usaco("")
    //cin>>t;
    while(t--)solve();
}

Compilation message (stderr)

poi.cpp: In function 'void usaco(std::string)':
poi.cpp:23:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp:24:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 100