Compilare: user.cpp: In function ‘int main()’: user.cpp:30:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(rez + pas < pos[j].size() && pos[j][rez + pas] <= i) ^ user.cpp:19:21: warning: unused variable ‘k’ [-Wunused-variable] int i, j, n, m, k; ^ user.cpp:22:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&n,&m); ^ user.cpp:23:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s " ,a + 1); ^ user.cpp:39:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s " ,b[i] + 1); ^