Compilare: main.cpp: In function 'int main()': main.cpp:90:21: warning: operation on 't' may be undefined [-Wsequence-point] 90 | sef[++t]=t; | ^~~ main.cpp:90:21: warning: operation on 't' may be undefined [-Wsequence-point] main.cpp:98:17: warning: operation on 't' may be undefined [-Wsequence-point] 98 | sef[++t]=t; | ^~~ main.cpp:98:17: warning: operation on 't' may be undefined [-Wsequence-point]