Borderou de evaluare (job #625577)

Compilare: main.cpp: In function 'void kruskal()': main.cpp:36:9: warning: unused variable 'cnt' [-Wunused-variable] 36 | int cnt = 0, ck = 0; | ^~~ main.cpp: In function 'int main()': main.cpp:64:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 64 | freopen("zapada.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 65 | freopen("zapada.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 66 | scanf("%d %d %d", &n, &m, &k); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:70:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 70 | scanf("%d %d %d", &a, &b, &c); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:79:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 79 | scanf("%d %d %d", &a, &b, &c); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~