Borderou de evaluare (job #625510)

Compilare: main.cpp: In function 'void kruskal()': main.cpp:29:19: warning: unused variable 'cnt' [-Wunused-variable] 29 | int cost = 0, cnt = 0, ck = 0; | ^~~ main.cpp: In function 'int main()': main.cpp:74:12: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 74 | if ( c < maxx ) | ^ main.cpp:56:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 56 | freopen("zapada.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:57:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 57 | freopen("zapada.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:58:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 58 | scanf("%d %d %d", &n, &m, &k); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:62:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 62 | scanf("%d %d %d", &a, &b, &c); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:71:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 71 | scanf("%d %d %d", &a, &b, &c); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~