华为OD机试真题 - 智能成绩表
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int[] nums = Arrays.stream(in.nextLine().split(" ")).mapToInt(Integer::parseInt).toArray();
int studentCount = nums[0];
int subjectCount = nums[1];
String[][] map = new String[studentCount + 1][subjectCount + 1];
for (int i = 0; i < studentCount + 1; i++) {
if (i == 0) {
String[] subjects = in.nextLine().split(" ");
for (int j = 0; j < subjectCount; j++) {
map[i][j + 1] = subjects[j];
}
} else {
String[] student = in.nextLine().split(" ");
for (int j = 0; j < student.length; j++) {
map[i][j] = student[j];
}
}
}
String sub = in.nextLine();
String[][] map1 = getRanks(sub, map);
for (int i = 0; i < map1.length; i++) {
System.out.print(map1[i][0] + " ");
}
}
public static String[][] getRanks(String subjects, String[][] map) {
int sub = -1;
for (int i = 1; i < map[0].length; i++) {
if (map[0][i].equals(subjects))
sub = i;
}
int finalSub = sub;
String[][] map1 = new String[map.length - 1][map[0].length];
for (int i = 1; i < map.length; i++) {
map1[i - 1] = map[i];
}
Arrays.sort(map1, new Comparator() {
@Override
public int compare(String[] o1, String[] o2) {
if (finalSub != -1)
return Integer.parseInt(o2[finalSub]) - Integer.parseInt(o1[finalSub]);
else {
int o1Sum = 0;
int o2Sum = 0;
for (int i = 1; i < o1.length; i++) {
o1Sum += Integer.parseInt(o1[i]);
o2Sum += Integer.parseInt(o2[i]);
}
return o1Sum - o2Sum;
}
}
});
return map1;
}
Scanner in = new Scanner(System.in);
int[] nums = Arrays.stream(in.nextLine().split(" ")).mapToInt(Integer::parseInt).toArray();
int studentCount = nums[0];
int subjectCount = nums[1];
String[][] map = new String[studentCount + 1][subjectCount + 1];
for (int i = 0; i < studentCount + 1; i++) {
if (i == 0) {
String[] subjects = in.nextLine().split(" ");
for (int j = 0; j < subjectCount; j++) {
map[i][j + 1] = subjects[j];
}
} else {
String[] student = in.nextLine().split(" ");
for (int j = 0; j < student.length; j++) {
map[i][j] = student[j];
}
}
}
String sub = in.nextLine();
String[][] map1 = getRanks(sub, map);
for (int i = 0; i < map1.length; i++) {
System.out.print(map1[i][0] + " ");
}
}
public static String[][] getRanks(String subjects, String[][] map) {
int sub = -1;
for (int i = 1; i < map[0].length; i++) {
if (map[0][i].equals(subjects))
sub = i;
}
int finalSub = sub;
String[][] map1 = new String[map.length - 1][map[0].length];
for (int i = 1; i < map.length; i++) {
map1[i - 1] = map[i];
}
Arrays.sort(map1, new Comparator
@Override
public int compare(String[] o1, String[] o2) {
if (finalSub != -1)
return Integer.parseInt(o2[finalSub]) - Integer.parseInt(o1[finalSub]);
else {
int o1Sum = 0;
int o2Sum = 0;
for (int i = 1; i < o1.length; i++) {
o1Sum += Integer.parseInt(o1[i]);
o2Sum += Integer.parseInt(o2[i]);
}
return o1Sum - o2Sum;
}
}
});
return map1;
}
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