Compilare: main.cpp: In function 'int main()': main.cpp:139:30: warning: 'c2' may be used uninitialized [-Wmaybe-uninitialized] 139 | cout<<ans<<" "<<c1<<" "<<c2; | ^~ main.cpp:102:20: note: 'c2' was declared here 102 | int ans=2e9,c1,c2; | ^~ main.cpp:139:25: warning: 'c1' may be used uninitialized [-Wmaybe-uninitialized] 139 | cout<<ans<<" "<<c1<<" "<<c2; | ^~~ main.cpp:102:17: note: 'c1' was declared here 102 | int ans=2e9,c1,c2; | ^~ main.cpp:86:20: warning: 'en2' may be used uninitialized [-Wmaybe-uninitialized] 86 | dist2[en1][en2]=1; | ~~~~~~~~~~~~~~~^~ main.cpp:39:23: note: 'en2' was declared here 39 | int inc1,inc2,en1,en2; | ^~~ main.cpp:86:20: warning: 'en1' may be used uninitialized [-Wmaybe-uninitialized] 86 | dist2[en1][en2]=1; | ~~~~~~~~~~~~~~~^~ main.cpp:39:19: note: 'en1' was declared here 39 | int inc1,inc2,en1,en2; | ^~~ main.cpp:69:21: warning: 'inc2' may be used uninitialized [-Wmaybe-uninitialized] 69 | dist[inc1][inc2]=1; | ~~~~~~~~~~~~~~~~^~ main.cpp:39:14: note: 'inc2' was declared here 39 | int inc1,inc2,en1,en2; | ^~~~ main.cpp:69:21: warning: 'inc1' may be used uninitialized [-Wmaybe-uninitialized] 69 | dist[inc1][inc2]=1; | ~~~~~~~~~~~~~~~~^~ main.cpp:39:9: note: 'inc1' was declared here 39 | int inc1,inc2,en1,en2; | ^~~~ main.cpp:63:9: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized] 63 | if(c!='\n') | ^~ main.cpp:41:11: note: 'c' was declared here 41 | {char c; | ^