运行 ID: 80108

Main.cc:2:12: error: ‘num’ was not declared in this scope
 int temp = num;
            ^~~
Main.cc:2:12: note: suggested alternative: ‘enum’
 int temp = num;
            ^~~
            enum
Main.cc:3:1: error: expected unqualified-id before ‘for’
 for (int i = 0; i < 4; i++) {
 ^~~
Main.cc:3:17: error: ‘i’ does not name a type
 for (int i = 0; i < 4; i++) {
                 ^
Main.cc:3:24: error: ‘i’ does not name a type
 for (int i = 0; i < 4; i++) {
                        ^
Main.cc:8:1: error: expected unqualified-id before ‘if’
 if (digits[0] - digits[3] - digits[2] - digits[1] > 0) {
 ^~