Compilare: user.cpp: In function ‘int main()’: user.cpp:111:37: warning: unused variable ‘j’ [-Wunused-variable] int m, q, x, y, max, last = 0, i, j, grx, gry, rezx, rezy; ^ user.cpp:109:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("reborn.in", "r", stdin); ^ user.cpp:110:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("reborn.out", "w", stdout); ^ user.cpp:113:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &m, &q); ^ user.cpp:115:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &arme[i].x, &arme[i].y); ^ user.cpp:147:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^ user.cpp: In function ‘int calcgr(int)’: user.cpp:53:22: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(val >= v[last][0].x && val <= v[last][nra[last] - 1].y) ^ user.cpp: In function ‘int cmdd(int, int)’: user.cpp:80:10: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] return last; ^