Compilare: user.cpp: In function ‘long long int modularInverse(long long int)’: user.cpp:85:18: warning: variable ‘d’ set but not used [-Wunused-but-set-variable] long long x, y, d; ^ user.cpp: In function ‘void minv_sol()’: user.cpp:144:40: warning: format ‘%d’ expects a matching ‘int’ argument [-Wformat=] fprintf(stderr, "i=%d: caz nasol\n"); ^ user.cpp:97:21: warning: unused variable ‘cnt’ [-Wunused-variable] int crez, x, y, z, cnt; ^ user.cpp: In function ‘void readInputData()’: user.cpp:23:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("xp.in", "r", stdin); ^ user.cpp:24:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d", &N, &A1, &B1, &P, &Q); ^ user.cpp: In function ‘void writeOutputData()’: user.cpp:531:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("xp.out", "w", stdout); ^