Compilare: main.cpp: In function 'int main()': main.cpp:169:12: warning: unused variable 'last' [-Wunused-variable] int last = m - j + 1; ^~~~ main.cpp:159:8: warning: unused variable 'inter' [-Wunused-variable] int inter = m/2+1,cnt = 1,lungime = m/2+1; ^~~~~ main.cpp:189:12: warning: unused variable 'last' [-Wunused-variable] int last = m - j + 1; ^~~~ main.cpp:181:6: warning: unused variable 'inter' [-Wunused-variable] int inter = m/2,cnt = 1,lungime = m/2+1; ^~~~~ main.cpp:115:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("map.in", "r", stdin); ^ main.cpp:117:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &n, &m); ^ main.cpp:133:30: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(c, MAXN, stdin); ^