Compilare: main.cpp: In function 'int main()': main.cpp:51:7: warning: unused variable 'v' [-Wunused-variable] 51 | int v; | ^ main.cpp:63:32: warning: operation on 'st' may be undefined [-Wsequence-point] 63 | minn[i] = {nodes[st].v, st ++}; | ~~~^~ main.cpp:63:32: warning: operation on 'st' may be undefined [-Wsequence-point] main.cpp:65:32: warning: operation on 'le' may be undefined [-Wsequence-point] 65 | minn[i] = {nodes[le].v, le ++}; | ~~~^~ main.cpp:65:32: warning: operation on 'le' may be undefined [-Wsequence-point]