Compilare: user.cpp: In function ‘void SP(int)’: user.cpp:45:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<GT[i].size(); ++j) ^ user.cpp:58:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j < G[i].size(); ++j) ^ user.cpp:60:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (h < GT[i].size() && GT[i][h].c < G[i][j].c) ^ user.cpp: In function ‘int main()’: user.cpp:102:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<GT[i].size(); ++j) ^ user.cpp:122:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<Q[i].size(); ++j) ^ user.cpp:128:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < GT[x].size(); ++k) ^ user.cpp:75:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&test); ^ user.cpp:79:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %d",&n,&m,&q); ^ user.cpp:83:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %d",&a,&b,&c); ^ user.cpp:110:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %d",&a,&b,&c); ^