exo1.java

/*******
 * Read input from System.in
 * Use: System.out.println to ouput your result to STDOUT.
 * Use: System.err.println to ouput debugging information to STDERR.
 * ***/
package com.isograd.exercise;
import java.util.*;

public class IsoContest {
public static void main( String[] argv ) throws Exception {
		String  line;
		Scanner sc = new Scanner(System.in);
		int scoreMax = 0;
		
		// sc.next(); récupère une chaine
		
		// récupérer le nombre de restaurant
		int nbResto = sc.nextInt();
		for (int i = 0; i < nbResto; i++) {
		    // "20 12 15"
		    int note1 = sc.nextInt();
		    int note2 = sc.nextInt();
		    int note3 = sc.nextInt();
		    
		    int score = note1 + note2 + note3;
		    if (score > scoreMax) {
		        scoreMax = score;
		    }
		}
		System.out.print(Math.ceil(scoreMax / 3.0));
	}
}

exo1_old.java

/*******
 * Read input from System.in
 * Use: System.out.println to ouput your result to STDOUT.
 * Use: System.err.println to ouput debugging information to STDERR.
 * ***/
package com.isograd.exercise;
import java.util.*;

public class IsoContest {
public static void main( String[] argv ) throws Exception {
		String  line;
		Scanner sc = new Scanner(System.in);
		line = sc.nextLine(); // nbRestos inutile
		int scoreMax = 0;
		while(sc.hasNextLine()) {
			line = sc.nextLine();
			String[] notes = line.split(" ");
			int score = 0;
			for (String note : notes) {
			    score += Integer.parseInt(note);
			}
			if (score > scoreMax) {
			    scoreMax = score;
			}
		}
		System.out.print(Math.ceil(scoreMax / 3.0));
	}
}