Hi guy. i have a new learner. after i submit problem 1b(spreadsheet), it show runtime error on test6 and the exit code is 11. can you help me to figure the error that i make in my code?
import java.util.Scanner;
public class spreadsheet { public static void main(String[] args) {
Scanner input = new Scanner(System.in);
char c2;
int num = input.nextInt();
String[] str = new String[num];
boolean[] c1 = new boolean[num];
input.nextLine();
for (int i = 0; i < num; i++) {
str[i] = input.nextLine();
c1[i] = Character.isDigit(str[i].charAt(1));
}
for (int i = 0; i < num; i++) {
if (str[i].charAt(0) == 'R') {
if (c1[i]) {
m1(str[i]);
} else {
m2(str[i]);
}
}else{
m2(str[i]);
}
}
}
static void m1(String str) {
int i = 0, start = 0;
int num1, mod;
char c1;
StringBuilder sb1 = new StringBuilder(str);
str = sb1.substring(1, sb1.length());
while (str.charAt(i) != 'C') {
i++;
}
String row = str.substring(start, i);
i = i + 1;
int num = Integer.parseInt(str.substring(i, str.length()));
// System.out.println("row: " + row);
// System.out.println("col: " + col);
StringBuilder sb = new StringBuilder();
// num = input.nextInt();
while (num != 0) {
num1 = num / 26;
mod = num % 26;
// System.out.println("num1: "+num1);
// System.out.println("mod: " + mod);
if (mod == 0) {
c1 = (char) (mod + 90);
num1 -= 1;
} else {
c1 = (char) (mod + 64);
}
// System.out.println(c1);
sb.append(c1);
num = num1;
}
sb.reverse();
System.out.println(sb + row);
}
static void m2(String str) {
boolean c1 = false;
String row = null, col = null;
for (int i = 0; i < str.length(); i++) {
c1 = Character.isDigit(str.charAt(i));
if (c1) {
row = str.substring(i, str.length());
col = str.substring(0, (i));
// System.out.println("row: " + row);
// System.out.println("col: " + col);
break;
}
}
int num, sum = 0;
for (int i = 0; i < col.length(); i++) {
num = (int) (col.charAt(i)) - 64;
sum += ((int) Math.pow(26, (col.length() - (i + 1)))) * num;
// System.out.println("num: "+num);
// System.out.println("sum: "+sum);
}
// System.out.println("sum:" +sum);
System.out.println("R" + row + "C" + sum);
}
}