Language: C

#include <stdio.h>
 
using namespace std;
 
int main(){
    int a,b;
    while(true){
        scanf("%d %d",&a,&b);
        if(a == 0 && b == 0) break;
        if(a > b) printf("%d %d\n",b,a);
        else{
            printf("%d %d\n",a,b);
        }
    }
    printf("\n");
    return 0;
}


Compiler output:
main.c:2:1: error: stray '\302' in program
    2 | <U+00A0>
      | ^~~~~~~~
main.c:3:1: error: unknown type name 'using'
    3 | using namespace std;
      | ^~~~~
main.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
    3 | using namespace std;
      |                 ^~~
main.c:4:1: error: stray '\302' in program
    4 | <U+00A0>
      | ^~~~~~~~
main.c: In function 'main':
main.c:6:1: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0>int a,b;
      | ^~~~~~~~
main.c:6:2: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0>int a,b;
      |         ^~~~~~~~
main.c:6:3: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0>int a,b;
      |                 ^~~~~~~~
main.c:6:4: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0>int a,b;
      |                         ^~~~~~~~
main.c:7:1: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>while(true){
      | ^~~~~~~~
main.c:7:2: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>while(true){
      |         ^~~~~~~~
main.c:7:3: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>while(true){
      |                 ^~~~~~~~
main.c:7:4: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>while(true){
      |                         ^~~~~~~~
main.c:7:11: error: 'true' undeclared (first use in this function)
    7 |     while(true){
      |           ^~~~
main.c:2:1: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include <stdio.h>
  +++ |+#include <stdbool.h>
    2 |  
main.c:7:11: note: each undeclared identifier is reported only once for each function it appears in
    7 |     while(true){
      |           ^~~~
main.c:8:1: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      | ^~~~~~~~
main.c:8:2: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      |         ^~~~~~~~
main.c:8:3: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      |                 ^~~~~~~~
main.c:8:4: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      |                         ^~~~~~~~
main.c:8:5: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      |                                 ^~~~~~~~
main.c:8:6: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      |                                         ^~~~~~~~
main.c:8:7: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      |                                                 ^~~~~~~~
main.c:8:8: error: stray '\302' in program
    8 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>scanf("%d %d",&a,&b);
      |                                                         ^~~~~~~~
main.c:9:1: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      | ^~~~~~~~
main.c:9:2: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      |         ^~~~~~~~
main.c:9:3: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      |                 ^~~~~~~~
main.c:9:4: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      |                         ^~~~~~~~
main.c:9:5: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      |                                 ^~~~~~~~
main.c:9:6: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      |                                         ^~~~~~~~
main.c:9:7: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      |                                                 ^~~~~~~~
main.c:9:8: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a == 0 && b == 0) break;
      |                                                         ^~~~~~~~
main.c:10:1: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      | ^~~~~~~~
main.c:10:2: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      |         ^~~~~~~~
main.c:10:3: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      |                 ^~~~~~~~
main.c:10:4: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      |                         ^~~~~~~~
main.c:10:5: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      |                                 ^~~~~~~~
main.c:10:6: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      |                                         ^~~~~~~~
main.c:10:7: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      |                                                 ^~~~~~~~
main.c:10:8: error: stray '\302' in program
   10 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if(a > b) printf("%d %d\n",b,a);
      |                                                         ^~~~~~~~
main.c:11:1: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      | ^~~~~~~~
main.c:11:2: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      |         ^~~~~~~~
main.c:11:3: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      |                 ^~~~~~~~
main.c:11:4: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      |                         ^~~~~~~~
main.c:11:5: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      |                                 ^~~~~~~~
main.c:11:6: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      |                                         ^~~~~~~~
main.c:11:7: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      |                                                 ^~~~~~~~
main.c:11:8: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>else{
      |                                                         ^~~~~~~~
main.c:12:1: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      | ^~~~~~~~
main.c:12:2: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |         ^~~~~~~~
main.c:12:3: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                 ^~~~~~~~
main.c:12:4: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                         ^~~~~~~~
main.c:12:5: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                                 ^~~~~~~~
main.c:12:6: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                                         ^~~~~~~~
main.c:12:7: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                                                 ^~~~~~~~
main.c:12:8: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                                                         ^~~~~~~~
main.c:12:9: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                                                                 ^~~~~~~~
main.c:12:10: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                                                                         ^~~~~~~~
main.c:12:11: error: stray '\302' in program
   12 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>printf("%d %d\n",a,b);
      |                                                                                 ^~~~~~~~
main.c:12:12: error: stray '\302'