Submission #295854

#	Time	Username	Problem	Language	Result	Execution time	Memory
295854		Hemimor	Poi (IOI09_poi)	C++14	100 / 100	444 ms	24176 KiB

poi

#include <algorithm>
#include <iostream>
#include <iomanip>
#include <numeric>
#include <cassert>
#include <vector>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<P,int> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1};

int n,m,k;
vvi a;
vi b,c;

int main(){
	scanf("%d%d%d",&n,&m,&k);
	k--;
	a=vvi(n,vi(m));
	b=vi(m);
	c=vi(n);
	for(int i=0;i<n;i++) for(int j=0;j<m;j++){
		scanf("%d",&a[i][j]);
		b[j]+=1-a[i][j];
	}
	vvi d(n,vi(3));
	for(int i=0;i<n;i++){
		int t=0;
		for(int j=0;j<m;j++){
			c[i]+=b[j]*a[i][j];
			t+=a[i][j];
		}
		d[i][0]=c[i];
		d[i][1]=t;
		d[i][2]=-i;
	}
	sort(d.rbegin(),d.rend());
	cout<<c[k]<<' ';
	for(int i=0;i<n;i++) if(d[i][2]==-k) cout<<i+1<<endl;
}

Compilation message (stderr)

poi.cpp: In function 'int main()':
poi.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   43 |  scanf("%d%d%d",&n,&m,&k);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
poi.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   49 |   scanf("%d",&a[i][j]);
      |   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 100 / 100