Building Teams

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:5:11: warning: unused variable 'fptr' [-Wunused-variable]
    5 |     FILE *fptr = fopen("inputs.txt", "r");
      |           ^~~~
input/code.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%d %d", &people, &friendships);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
input/code.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         scanf("%d %d", &person1, &person2);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#include <cstdio>
#include <cstdlib>

int main (int argc, char *argv[]) {
    FILE *fptr = fopen("inputs.txt", "r");
    int people, friendships;
    scanf("%d %d", &people, &friendships);

    int *team = (int *)malloc(sizeof(int[people]));

    for (int i = 0; i < friendships; i++) {
        int person1, person2;
        scanf("%d %d", &person1, &person2);
        team[person1-1] = 1;
        team[person2-1] = 2;
    }

    for (int i = 0; i < people; i++) {
        printf("%d ", team[i]);
    }
    printf("\n");

    free(team);

    return 0;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: WRONG ANSWER