Compilare: main.cpp: In function 'void verif(int)': main.cpp:53:10: warning: variable 'ok' set but not used [-Wunused-but-set-variable] bool ok=0; ^~ main.cpp: In function 'int main()': main.cpp:104:22: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%d", smax); ^ main.cpp: In function 'void citire_normala(int, int)': main.cpp:22:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i][j]); ^ main.cpp: In function 'void citire_rotated(int, int)': main.cpp:33:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[j][i]); ^ main.cpp: In function 'int main()': main.cpp:93:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("elimin.in", "r", stdin); ^ main.cpp:94:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("elimin.out", "w", stdout); ^ main.cpp:95:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &N, &M, &L, &C); ^