Compilare: main.cpp: In function 'int main()': main.cpp:44:16: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int*' [-Wformat=] scanf("%c",&c); ^ main.cpp:13:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("delfin.in","r",stdin); ^ main.cpp:14:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("delfin.out","w",stdout); ^ main.cpp:17:23: 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:22:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&ch); ^ main.cpp:44:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^ main.cpp:73:14: warning: 'cp' may be used uninitialized in this function [-Wmaybe-uninitialized] a[lp][cp]=1; ~~~~~~~~~^~ main.cpp:73:14: warning: 'lp' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:93:14: warning: 'lc' may be used uninitialized in this function [-Wmaybe-uninitialized] b[lc][cc]=1; ~~~~~~~~~^~ main.cpp:93:14: warning: 'cc' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:53:14: warning: 'ct' may be used uninitialized in this function [-Wmaybe-uninitialized] a[lt][ct]=-1; ~~~~~~~~~^~~ main.cpp:53:14: warning: 'lt' may be used uninitialized in this function [-Wmaybe-uninitialized]