Submission #659808

#	Time	Username	Problem	Language	Result	Execution time	Memory
659808		Gabi88	Poi (IOI09_poi)	C++14	60 / 100	497 ms	31916 KiB

poi

#include<bits/stdc++.h>
using namespace std;

#define LL long long
#define F first
#define S second

vector<pair<LL, pair<LL, LL> > > v;
unsigned LL n, m, k, l[2009][2009], rj[2009], na[2009], sum, usp = -1, pos = -1, br = 1;

int main(){
	cin >> n >> m >> k;
	for(int i=0; i<n; i++){
		for(int j=0; j<m; j++){
			cin >> l[i][j];
			na[i] += l[i][j];
			rj[j] += (l[i][j]+1)%2;
		}
	}
	for(int i=0; i<n; i++){
		sum = 0;
		for(int j=0; j<m; j++) sum += rj[j]*l[i][j];
		v.push_back(make_pair(sum, make_pair(na[i], i+1)));
	}
	sort(v.begin(), v.end());
	sum = -1;
	for(int i=n-1; i >= 0; i--){
		if (sum != v[i].first or usp != v[i].second.first){
			sum = v[i].first;
			usp = v[i].second.first;
			pos = br;
		}
		if (v[i].second.second == k){cout << sum << " " << pos; return 0;}
		br++;
	}
	return 0;
}

Compilation message (stderr)

poi.cpp: In function 'int main()':
poi.cpp:13:16: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   13 |  for(int i=0; i<n; i++){
      |               ~^~
poi.cpp:14:17: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   14 |   for(int j=0; j<m; j++){
      |                ~^~
poi.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   20 |  for(int i=0; i<n; i++){
      |               ~^~
poi.cpp:22:17: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   22 |   for(int j=0; j<m; j++) sum += rj[j]*l[i][j];
      |                ~^~
poi.cpp:28:11: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'long long int' [-Wsign-compare]
   28 |   if (sum != v[i].first or usp != v[i].second.first){
      |       ~~~~^~~~~~~~~~~~~
poi.cpp:28:32: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'long long int' [-Wsign-compare]
   28 |   if (sum != v[i].first or usp != v[i].second.first){
      |                            ~~~~^~~~~~~~~~~~~~~~~~~~
poi.cpp:33:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
   33 |   if (v[i].second.second == k){cout << sum << " " << pos; return 0;}

• Subtask 1: 60 / 100