Compilare: main.cpp: In function 'int main()': main.cpp:47:22: warning: unused variable 'l' [-Wunused-variable] int i, j, o, l ; ^ main.cpp:46:60: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d %d %d %d\n", &n, &k, &m, &p, &q) ; ^ main.cpp:65:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &coef) ; ^ main.cpp:67:52: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &take[i]) ; ^