Compilare: user.cpp: In function ‘void pascal()’: user.cpp:55:75: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 1; k <= max(d[i-1][j].size() , d[i-1][j-1].size()); ++k) ^ user.cpp: In function ‘void scad(std::vector<int>&, std::vector<int>&)’: user.cpp:71:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = B[0] + 1; i <= A[0]; ) if (i >= B.size()) B.push_back(0); ^ user.cpp: In function ‘int main()’: user.cpp:110:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (n-g[i].size()-1 >= nr-1) ^ user.cpp:119:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < g[i].size(); ++j) ^ 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("indep.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("indep.out","w",stdout); ^ user.cpp:89:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (scanf("%d", &n) , i = 1; i <= n; ++i) ^ user.cpp:90:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &A[i]); ^