Eroare de compilare: user.cpp:6:19: error: size of array ‘mat’ is too large int mat[NMAX][NMAX]; ^ user.cpp: In function ‘int main()’: user.cpp:27:9: error: ‘mat’ was not declared in this scope mat[1][i] = f(i); ^ user.cpp:31:17: error: ‘mat’ was not declared in this scope mat[i][j] = mat[i-1][n]; ^ user.cpp:33:17: error: ‘mat’ was not declared in this scope mat[i][j] = mat[i-1][j-1]; ^ user.cpp:36:20: error: ‘mat’ was not declared in this scope sum += mat[i][y1] * (y2 - y1 + 1); ^ user.cpp:38:20: error: ‘mat’ was not declared in this scope sum += mat[i][y1] * (x2 - i + 1); ^ user.cpp:41:20: error: ‘mat’ was not declared in this scope sum += mat[x1][j] * (x2 - x1 + 1); ^ user.cpp:43:20: error: ‘mat’ was not declared in this scope sum += mat[x1][j] * (y2 - j + 1); ^ user.cpp:46:26: error: ‘mat’ was not declared in this scope printf("%d ",mat[i][j]); ^ user.cpp:18:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("piata.in","r",stdin); ^ user.cpp:19:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("piata.out","w",stdout); ^ user.cpp:23:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:24:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x1,&y1); ^ user.cpp:25:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x2,&y2); ^