Compilare: main.cpp: In function 'int main()': main.cpp:183:19: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^ main.cpp:185:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ main.cpp: In function 'void dinamica()': main.cpp:121:16: warning: 'op' may be used uninitialized in this function [-Wmaybe-uninitialized] from1[i][3] = op; ~~~~~~~~~~~~^~~~ main.cpp:111:36: warning: 'op2' may be used uninitialized in this function [-Wmaybe-uninitialized] from1[i][2] = op1; from2[i][2] = op2; ~~~~~~~~~~~~^~~~~ main.cpp:111:17: warning: 'op1' may be used uninitialized in this function [-Wmaybe-uninitialized] from1[i][2] = op1; from2[i][2] = op2; ~~~~~~~~~~~~^~~~~ main.cpp:95:36: warning: 'op2' may be used uninitialized in this function [-Wmaybe-uninitialized] from1[i][1] = op1; from2[i][1] = op2; ~~~~~~~~~~~~^~~~~ main.cpp:95:17: warning: 'op1' may be used uninitialized in this function [-Wmaybe-uninitialized] from1[i][1] = op1; from2[i][1] = op2; ~~~~~~~~~~~~^~~~~ main.cpp:79:36: warning: 'op2' may be used uninitialized in this function [-Wmaybe-uninitialized] from1[i][0] = op1; from2[i][0] = op2; ~~~~~~~~~~~~^~~~~ main.cpp:79:17: warning: 'op1' may be used uninitialized in this function [-Wmaybe-uninitialized] from1[i][0] = op1; from2[i][0] = op2; ~~~~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:195:16: warning: 'op' may be used uninitialized in this function [-Wmaybe-uninitialized] afisare(n,op); ^