Compilare: main.cpp:12:24: warning: integer overflow in expression [-Woverflow] const int INF = (1<<31)-1; ~~~~~~~^~ main.cpp: In function 'int main()': main.cpp:131:15: warning: array subscript has type 'char' [-Wchar-subscripts] if(F[a][j]) ^ main.cpp:133:18: warning: array subscript has type 'char' [-Wchar-subscripts] Sol[a].push_back(i); ^ main.cpp:134:16: warning: array subscript has type 'char' [-Wchar-subscripts] F[a][j]--; ^ main.cpp:138:18: warning: array subscript has type 'char' [-Wchar-subscripts] Sol[b].push_back(i); ^ main.cpp:139:16: warning: array subscript has type 'char' [-Wchar-subscripts] F[b][j]--; ^ main.cpp:145:27: warning: array subscript has type 'char' [-Wchar-subscripts] printf("%d ",Sol[a].back()); ^ main.cpp:146:14: warning: array subscript has type 'char' [-Wchar-subscripts] Sol[a].pop_back(); ^ main.cpp:61:14: warning: unused variable 'c' [-Wunused-variable] char a,b,c; ^ main.cpp:64:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teroristi.in","r",stdin); ^ main.cpp:65:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teroristi.out","w",stdout); ^ main.cpp:67:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&N,&M); ^ main.cpp:69:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",Word+1); ^ main.cpp:76:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c %c\n",&a,&b); ^