Compilare: user.cpp: In function ‘void procesareZonaUnu()’: user.cpp:20:6: warning: variable ‘lin’ set but not used [-Wunused-but-set-variable] int lin = -1; ^ user.cpp:21:6: warning: variable ‘col’ set but not used [-Wunused-but-set-variable] int col = -1; ^ user.cpp: In function ‘void procesareZonaDoi()’: user.cpp:77:6: warning: variable ‘lin’ set but not used [-Wunused-but-set-variable] int lin = -1; ^ user.cpp:78:6: warning: variable ‘col’ set but not used [-Wunused-but-set-variable] int col = -1; ^ user.cpp:98:6: warning: unused variable ‘xLocal’ [-Wunused-variable] int xLocal = x; ^ user.cpp:99:6: warning: unused variable ‘yLocal’ [-Wunused-variable] int yLocal = m - y + 1; ^ user.cpp: In function ‘int main()’: user.cpp:244:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cri.in", "r", stdin); ^ user.cpp:245:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cri.out", "w", stdout); ^ user.cpp:247:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &n, &m, &x, &y); ^ user.cpp:252:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i][j]); ^ user.cpp: In function ‘void procesareZonaDoi()’: user.cpp:100:20: warning: ‘mb’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (nb == 1 || mb == 1) ^ user.cpp: In function ‘void procesareZonaTrei()’: user.cpp:154:24: warning: ‘mb’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (nb % 2 == 1 || mb % 2 == 1) ^ user.cpp: In function ‘void procesareZonaPatru()’: user.cpp:208:24: warning: ‘mb’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (nb % 2 == 1 || mb % 2 == 1) ^