Compilare: main.cpp: In function 'int main()': main.cpp:21:34: warning: variable 'minim' set but not used [-Wunused-but-set-variable] long long n, i, j, s, f, m, k, minim, pmin ; ^~~~~ main.cpp:21:41: warning: variable 'pmin' set but not used [-Wunused-but-set-variable] long long n, i, j, s, f, m, k, minim, pmin ; ^~~~ main.cpp:22:53: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld%lld%lld%lld", &n, &m, &s, &f ) ; ^ main.cpp:24:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld", &punti[i] ) ; ^ main.cpp:29:48: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld %lld", &st[i], &dr[i] ) ; ^