Compilare: main.cpp: In function 'void parc()': main.cpp:50:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k == strlen(directii)+1) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:49:9: warning: unused variable 'x' [-Wunused-variable] int x=Q.front().first; ^ main.cpp: In function 'int main()': main.cpp:70:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cobai.in", "r", stdin); ^ main.cpp:71:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cobai.out", "w", stdout); ^ main.cpp:72:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &m, &n); ^ main.cpp:78:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", &c); ^ main.cpp:90:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ main.cpp:93:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",directii); ^