Compilare: main.cpp: In function 'int main()': main.cpp:106:15: warning: 'res' may be used uninitialized [-Wmaybe-uninitialized] 106 | fout<<res; | ^~~ main.cpp:31:9: note: 'res' was declared here 31 | int res; | ^~~ main.cpp:58:45: warning: 'jdr' may be used uninitialized [-Wmaybe-uninitialized] 58 | fout<<ist<<' '<<jst<<' '<<idr<<' '<<jdr; | ^~~ main.cpp:32:21: note: 'jdr' was declared here 32 | int ist,idr,jst,jdr; | ^~~ main.cpp:58:30: warning: 'jst' may be used uninitialized [-Wmaybe-uninitialized] 58 | fout<<ist<<' '<<jst<<' '<<idr<<' '<<jdr; | ^~~ main.cpp:32:17: note: 'jst' was declared here 32 | int ist,idr,jst,jdr; | ^~~ main.cpp:58:40: warning: 'idr' may be used uninitialized [-Wmaybe-uninitialized] 58 | fout<<ist<<' '<<jst<<' '<<idr<<' '<<jdr; | ^~~ main.cpp:32:13: note: 'idr' was declared here 32 | int ist,idr,jst,jdr; | ^~~ main.cpp:58:20: warning: 'ist' may be used uninitialized [-Wmaybe-uninitialized] 58 | fout<<ist<<' '<<jst<<' '<<idr<<' '<<jdr; | ^~~ main.cpp:32:9: note: 'ist' was declared here 32 | int ist,idr,jst,jdr; | ^~~