Compilare: main.cpp: In function 'int main()': main.cpp:10:29: 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:11:31: 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:12:24: 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:15:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^ main.cpp:27:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^ main.cpp:56:18: warning: 'jc' may be used uninitialized in this function [-Wmaybe-uninitialized] julieta[jl][jc]=1; ~~~~~~~~~~~~~~~^~ main.cpp:56:18: warning: 'jl' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:38:16: warning: 'rc' may be used uninitialized in this function [-Wmaybe-uninitialized] romeo[rl][rc]=1; ~~~~~~~~~~~~~^~ main.cpp:38:16: warning: 'rl' may be used uninitialized in this function [-Wmaybe-uninitialized]