Borderou de evaluare (job #625509)

Compilare: main.cpp: In function 'void kruskal()': main.cpp:27:19: warning: unused variable 'cnt' [-Wunused-variable] 27 | int cost = 0, cnt = 0, ck = 0; | ^~~ main.cpp: In function 'int main()': main.cpp:72:12: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 72 | if ( c < maxx ) | ^ main.cpp:54:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 54 | freopen("zapada.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:55:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 55 | freopen("zapada.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 56 | scanf("%d %d %d", &n, &m, &k); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:60:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 60 | scanf("%d %d %d", &a, &b, &c); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:69:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 69 | scanf("%d %d %d", &a, &b, &c); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~