Submission #659819

#	Time	Username	Problem	Language	Result	Execution time	Memory
659819		Gabi88	Poi (IOI09_poi)	C++14	100 / 100	514 ms	31872 KiB

poi

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

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

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

int cmt(pair<LL, pair<LL, int> > a, pair<LL, pair<LL, int> > b){
	if (a.F != b.F) return a.F > b.F;
	if (a.S.F != b.S.F) return a.S.F > b.S.F;
	return a.S.S < b.S.S;
}

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] == 0);
		}
	}
	for(int i=0; i<n; i++){
		sum = 0;
		for(int j=0; j<m; j++) sum += rj[j]*l[i][j];
		if (k == i+1) cout << sum << " ";
		v.push_back(make_pair(sum, make_pair(na[i], i+1)));
	}
	sort(v.begin(), v.end(), cmt);
	for(int i=0; i < n; i++){
		if (v[i].S.S == k) cout << i+1;/*
		if (sum != v[i].F or usp != v[i].S.F or i == 0){
			sum = v[i].F;
			usp = v[i].S.F;
			pos = i+1;
		}
		if (v[i].S.S == k){cout << sum << " " << pos; return 0;}*/
	}
	return 0;
}

Compilation message (stderr)

poi.cpp: In function 'int main()':
poi.cpp:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   19 |  for(int i=0; i<n; i++){
      |               ~^~
poi.cpp:20:17: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   20 |   for(int j=0; j<m; j++){
      |                ~^~
poi.cpp:26:16: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   26 |  for(int i=0; i<n; i++){
      |               ~^~
poi.cpp:28:17: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   28 |   for(int j=0; j<m; j++) sum += rj[j]*l[i][j];
      |                ~^~
poi.cpp:29:9: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
   29 |   if (k == i+1) cout << sum << " ";
      |       ~~^~~~~~
poi.cpp:33:17: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   33 |  for(int i=0; i < n; i++){
      |               ~~^~~
poi.cpp:34:16: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   34 |   if (v[i].S.S == k) cout << i+1;/*

• Subtask 1: 100 / 100