Compilare: main.cpp: In function 'int main()': main.cpp:17:42: warning: 'v' may be used uninitialized [-Wmaybe-uninitialized] 17 | return g=fopen("tir.out","w"),fprintf(g,"%hd\n%hd %hd",w,u,v),fclose(g),0; | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:7:23: note: 'v' was declared here 7 | short n,m,k,i,j,u,v,w=-1,b,c,d,e,s; | ^ main.cpp:17:42: warning: 'u' may be used uninitialized [-Wmaybe-uninitialized] 17 | return g=fopen("tir.out","w"),fprintf(g,"%hd\n%hd %hd",w,u,v),fclose(g),0; | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:7:21: note: 'u' was declared here 7 | short n,m,k,i,j,u,v,w=-1,b,c,d,e,s; | ^