Submission #539524

#	Time	Username	Problem	Language	Result	Execution time	Memory
539524		MurotY	Poi (IOI09_poi)	C++14	100 / 100	356 ms	31756 KiB

poi

#include <bits/stdc++.h>
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ff first
#define ss second
#define ll long long
using namespace std;
const int N=2*1e3+7, M=1e9+7;
ll a[N][N], b[N];
pair <ll, pair <ll,ll>> ans[N];
void solve()
{
	ll n, m, p;
	cin >> n >> m >> p;
	for (int i=1;i<=n;i++) ans[i].ff=ans[i].ss.ff=ans[i].ss.ss=0;
	for (int i=1;i<=m;i++) b[i]=0;
	for (int i=1;i<=n;i++){
		for (int j=1;j<=m;j++) cin >> a[i][j];
	}
	for (int j=1;j<=m;j++){
		for (int i=1;i<=n;i++){
			if (a[i][j] == 0) b[j]++;
		}
	}
	for (int i=1;i<=n;i++){
		for (int j=1;j<=m;j++){
			if (a[i][j] == 1) ans[i].ff+=b[j];
			if (a[i][j] == 1) ans[i].ss.ff++;
		}
		ans[i].ss.ss=i;
	}
	sort(ans+1,ans+n+1);
	
	for (int i=1;i<=n;i++){
		for (int j=i;j<=n;j++){
			if (ans[i].ff != ans[j].ff || ans[i].ss.ff != ans[j].ss.ff) {
				reverse(ans+i, ans+j);
				i=j-1;
				break;
			}
		}
	}
	for (int i=n;i>=1;i--){
	//	cout << ans[i].ff <<" " << ans[i].ss.ff <<" " << ans[i].ss.ss <<"\n";
		if (ans[i].ss.ss == p){
			cout << ans[i].ff << " " << n-i+1;
			return ;
		}
	}
	return ;
}
int main()
{
	ios;
	int t=1;
//	cin >> t;
	while (t--){
		solve(); 
		cout << "\n";
	}
	return 0;
}

• Subtask 1: 100 / 100