Compilare: main.cpp: In function 'int main()': main.cpp:56:28: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1005]' [-Wformat=] scanf("%s", &mat[i]); ^ main.cpp:48:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.in", "r", stdin); ^ main.cpp:49:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.out", "w", stdout); ^ main.cpp:51:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n", &r, &col); ^ main.cpp:56:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &mat[i]); ^ main.cpp:117:22: warning: 'finish' may be used uninitialized in this function [-Wmaybe-uninitialized] if(viz[finish]) ~~~~~~~~~~^ main.cpp:116:34: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized] solve(constr, med, start); ^