Compilare: main.cpp: In function 'int main()': main.cpp:14:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rj.in","r",stdin); ^ main.cpp:15:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rj.out","w",stdout); ^ main.cpp:18:27: 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:23:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^ main.cpp:56:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ main.cpp:94:17: warning: 'cpj' may be used uninitialized in this function [-Wmaybe-uninitialized] coada[inc].c=cpj; ~~~~~~~~~~~~^~~~ main.cpp:93:17: warning: 'lpj' may be used uninitialized in this function [-Wmaybe-uninitialized] coada[inc].l=lpj; ~~~~~~~~~~~~^~~~ main.cpp:73:17: warning: 'cpr' may be used uninitialized in this function [-Wmaybe-uninitialized] coada[inc].c=cpr; ~~~~~~~~~~~~^~~~ main.cpp:72:17: warning: 'lpr' may be used uninitialized in this function [-Wmaybe-uninitialized] coada[inc].l=lpr; ~~~~~~~~~~~~^~~~