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Copy pathPopularVote.java
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108 lines (94 loc) · 3.19 KB
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import java.util.HashMap;
import java.util.StringTokenizer;
import java.io.BufferedReader;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.OutputStream;
class PopularVote {
static Kattio io = new Kattio(System.in, System.out);
public static void main(String[] args) throws NumberFormatException, Exception {
int t = Integer.parseInt(io.getLine()), n, totalVotes = 0;
HashMap<Integer, Integer> map = new HashMap<>();
for (int elections = 0; elections < t; elections++) {
int currentElect = -1; totalVotes = 0;
boolean tieFlag = false;
n = Integer.parseInt(io.getLine());
for (int nominee = 0; nominee < n; nominee++) {
int vote = Integer.parseInt(io.getLine());
map.put(nominee+1, vote);
totalVotes +=vote;
}
for (Integer nominee : map.keySet()) {
int nomineeVotes = map.get(nominee);
if(currentElect == -1) currentElect = nominee;
else if (nomineeVotes > map.get(currentElect)){
currentElect = nominee;
tieFlag = false;
}
else if(nomineeVotes == map.get(currentElect)){
tieFlag = true;
}
}
if(tieFlag) System.out.println("no winner");
else if(map.get(currentElect) > totalVotes/2) System.out.println("majority winner "+ currentElect);
else System.out.println("minority winner "+ currentElect);
}
}
}
class Kattio extends PrintWriter {
public Kattio(InputStream i) {
super(new BufferedOutputStream(System.out));
r = new BufferedReader(new InputStreamReader(i));
}
public Kattio(InputStream i, OutputStream o) {
super(new BufferedOutputStream(o));
r = new BufferedReader(new InputStreamReader(i));
}
public boolean hasMoreTokens() {
return peekToken() != null;
}
public int getInt() {
return Integer.parseInt(nextToken());
}
public double getDouble() {
return Double.parseDouble(nextToken());
}
public long getLong() {
return Long.parseLong(nextToken());
}
public String getWord() {
return nextToken();
}
public String getLine() throws Exception {
return r.readLine();
}
public void printLine(String line) {
this.print(line);
}
private BufferedReader r;
private String line;
private StringTokenizer st;
private String token;
private String peekToken() {
if (token == null)
try {
while (st == null || !st.hasMoreTokens()) {
line = r.readLine();
if (line == null)
return null;
st = new StringTokenizer(line);
}
token = st.nextToken();
} catch (IOException e) {
}
return token;
}
private String nextToken() {
String ans = peekToken();
token = null;
return ans;
}
}