Compilare: main.cpp: In function 'int main()': main.cpp:81:14: warning: unused variable 'c' [-Wunused-variable] int a, b, c, m, n, i, nod; ^ main.cpp:82:9: warning: unused variable 'aux' [-Wunused-variable] elem aux; ^~~ main.cpp:79:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eliminare.in", "r", stdin); ^ main.cpp:80:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eliminare.out", "w", stdout); ^ main.cpp:83:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:86:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a); ^ main.cpp:93:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a, &b); ^