Compilare: user.cpp: In function ‘void Peul(int, int)’: user.cpp:20:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[x].size(); ++i){ ^ user.cpp: In function ‘void Liniarizare(int)’: user.cpp:55:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size(); ++i) ^ user.cpp: In function ‘int stramos(int, int)’: user.cpp:62:7: warning: unused variable ‘i’ [-Wunused-variable] int i,l,s; ^ user.cpp: In function ‘int main()’: user.cpp:85:15: warning: unused variable ‘a’ [-Wunused-variable] int i,x,y,a,b,c,j,key; ^ user.cpp:85:17: warning: unused variable ‘b’ [-Wunused-variable] int i,x,y,a,b,c,j,key; ^ user.cpp:85:19: warning: unused variable ‘c’ [-Wunused-variable] int i,x,y,a,b,c,j,key; ^ user.cpp:85:21: warning: unused variable ‘j’ [-Wunused-variable] int i,x,y,a,b,c,j,key; ^ user.cpp:85:23: warning: unused variable ‘key’ [-Wunused-variable] int i,x,y,a,b,c,j,key; ^ user.cpp:86:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("delay.in","r",stdin); ^ user.cpp:87:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("delay.out","w",stdout); ^ user.cpp:88:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&n); ^ user.cpp:91:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&t[i]); ^ user.cpp:94:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&x,&y); ^ user.cpp:97:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&m); ^