Language: C

#include <stdio.h>
 
int prime (int x) {
    int i;
    if ((x != 2) && (x % 2 == 0)) {
        return 0;
    }else if ( x ==  2) {
        return 1;
    }
 
    if ( x < 2 ) {
        return 0;
    }
 
    for ( i = 3; i * i <= x; i += 2 ) {
        if ( x % i == 0 ) {
            return 0;
        }
    }
 
    return 1;
}
 
int main () {
    int a, m, count = 0, n;
    scanf("%d", &n);
 
    for ( a = 0; a < n; a++ ) {
        scanf("%d", &m);
        if ( prime(m) == 1 ) {
            count++;
        }
    }
 
    printf("%d\n", count);
 
    return 0;
}


Compiler output:
main.c:2:1: error: stray '\302' in program
    2 | <U+00A0>
      | ^~~~~~~~
main.c: In function 'prime':
main.c:4:1: error: stray '\302' in program
    4 | <U+00A0><U+00A0><U+00A0><U+00A0>int i;
      | ^~~~~~~~
main.c:4:2: error: stray '\302' in program
    4 | <U+00A0><U+00A0><U+00A0><U+00A0>int i;
      |         ^~~~~~~~
main.c:4:3: error: stray '\302' in program
    4 | <U+00A0><U+00A0><U+00A0><U+00A0>int i;
      |                 ^~~~~~~~
main.c:4:4: error: stray '\302' in program
    4 | <U+00A0><U+00A0><U+00A0><U+00A0>int i;
      |                         ^~~~~~~~
main.c:5:1: error: stray '\302' in program
    5 | <U+00A0><U+00A0><U+00A0><U+00A0>if ((x != 2) && (x % 2 == 0)) {
      | ^~~~~~~~
main.c:5:2: error: stray '\302' in program
    5 | <U+00A0><U+00A0><U+00A0><U+00A0>if ((x != 2) && (x % 2 == 0)) {
      |         ^~~~~~~~
main.c:5:3: error: stray '\302' in program
    5 | <U+00A0><U+00A0><U+00A0><U+00A0>if ((x != 2) && (x % 2 == 0)) {
      |                 ^~~~~~~~
main.c:5:4: error: stray '\302' in program
    5 | <U+00A0><U+00A0><U+00A0><U+00A0>if ((x != 2) && (x % 2 == 0)) {
      |                         ^~~~~~~~
main.c:6:1: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      | ^~~~~~~~
main.c:6:2: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |         ^~~~~~~~
main.c:6:3: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                 ^~~~~~~~
main.c:6:4: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                         ^~~~~~~~
main.c:6:5: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                                 ^~~~~~~~
main.c:6:6: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                                         ^~~~~~~~
main.c:6:7: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                                                 ^~~~~~~~
main.c:6:8: error: stray '\302' in program
    6 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                                                         ^~~~~~~~
main.c:7:1: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>}else if ( x ==  2) {
      | ^~~~~~~~
main.c:7:2: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>}else if ( x ==  2) {
      |         ^~~~~~~~
main.c:7:3: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>}else if ( x ==  2) {
      |                 ^~~~~~~~
main.c:7:4: error: stray '\302' in program
    7 | <U+00A0><U+00A0><U+00A0><U+00A0>}else if ( x ==  2) {
      |                         ^~~~~~~~
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>return 1;
      | ^~~~~~~~
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>return 1;
      |         ^~~~~~~~
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>return 1;
      |                 ^~~~~~~~
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>return 1;
      |                         ^~~~~~~~
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>return 1;
      |                                 ^~~~~~~~
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>return 1;
      |                                         ^~~~~~~~
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>return 1;
      |                                                 ^~~~~~~~
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>return 1;
      |                                                         ^~~~~~~~
main.c:9:1: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      | ^~~~~~~~
main.c:9:2: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |         ^~~~~~~~
main.c:9:3: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                 ^~~~~~~~
main.c:9:4: error: stray '\302' in program
    9 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                         ^~~~~~~~
main.c:10:1: error: stray '\302' in program
   10 | <U+00A0>
      | ^~~~~~~~
main.c:11:1: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0>if ( x < 2 ) {
      | ^~~~~~~~
main.c:11:2: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0>if ( x < 2 ) {
      |         ^~~~~~~~
main.c:11:3: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0>if ( x < 2 ) {
      |                 ^~~~~~~~
main.c:11:4: error: stray '\302' in program
   11 | <U+00A0><U+00A0><U+00A0><U+00A0>if ( x < 2 ) {
      |                         ^~~~~~~~
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>return 0;
      | ^~~~~~~~
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>return 0;
      |         ^~~~~~~~
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>return 0;
      |                 ^~~~~~~~
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>return 0;
      |                         ^~~~~~~~
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>return 0;
      |                                 ^~~~~~~~
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>return 0;
      |                                         ^~~~~~~~
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>return 0;
      |                                                 ^~~~~~~~
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>return 0;
      |                                                         ^~~~~~~~
main.c:13:1: error: stray '\302' in program
   13 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      | ^~~~~~~~
main.c:13:2: error: stray '\302' in program
   13 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |         ^~~~~~~~
main.c:13:3: error: stray '\302' in program
   13 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                 ^~~~~~~~
main.c:13:4: error: stray '\302' in program
   13 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                         ^~~~~~~~
main.c:14:1: error: stray '\302' in program
   14 | <U+00A0>
      | ^~~~~~~~
main.c:15:1: error: stray '\302' in program
   15 | <U+00A0><U+00A0><U+00A0><U+00A0>for ( i = 3; i * i <= x; i += 2 ) {
      | ^~~~~~~~
main.c:15:2: error: stray '\302' in program
   15 | <U+00A0><U+00A0><U+00A0><U+00A0>for ( i = 3; i * i <= x; i += 2 ) {
      |         ^~~~~~~~
main.c:15:3: error: stray '\302' in program
   15 | <U+00A0><U+00A0><U+00A0><U+00A0>for ( i = 3; i * i <= x; i += 2 ) {
      |                 ^~~~~~~~
main.c:15:4: error: stray '\302' in program
   15 | <U+00A0><U+00A0><U+00A0><U+00A0>for ( i = 3; i * i <= x; i += 2 ) {
      |                         ^~~~~~~~
main.c:16:1: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      | ^~~~~~~~
main.c:16:2: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      |         ^~~~~~~~
main.c:16:3: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      |                 ^~~~~~~~
main.c:16:4: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      |                         ^~~~~~~~
main.c:16:5: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      |                                 ^~~~~~~~
main.c:16:6: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      |                                         ^~~~~~~~
main.c:16:7: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      |                                                 ^~~~~~~~
main.c:16:8: error: stray '\302' in program
   16 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>if ( x % i == 0 ) {
      |                                                         ^~~~~~~~
main.c:17:1: error: stray '\302' in program
   17 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      | ^~~~~~~~
main.c:17:2: error: stray '\302' in program
   17 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |         ^~~~~~~~
main.c:17:3: error: stray '\302' in program
   17 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                 ^~~~~~~~
main.c:17:4: error: stray '\302' in program
   17 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>return 0;
      |                         ^~~~~~~~
main.c:17:5: error: stray '\302' in program
   17 | <U+00A0><U+00A0><U+00A0><U+00A0