Compilare: main.cpp: In function 'int main()': main.cpp:56:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == t1 && i-1 == t2 || i == t3 && i-1 == t4) ~~^~~~~ main.cpp:56:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == t1 && i-1 == t2 || i == t3 && i-1 == t4) ~~~~^~~~~ main.cpp:56:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == t1 && i-1 == t2 || i == t3 && i-1 == t4) ~~^~~~~ main.cpp:56:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == t1 && i-1 == t2 || i == t3 && i-1 == t4) ~~~~^~~~~ main.cpp:56:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(i == t1 && i-1 == t2 || i == t3 && i-1 == t4) ~~~~~~~~^~~~~~~~~~~~ main.cpp:84:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == t1 && i-1 == t2 && i-2 == t3) ~~^~~~~ main.cpp:84:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == t1 && i-1 == t2 && i-2 == t3) ~~~~^~~~~ main.cpp:84:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == t1 && i-1 == t2 && i-2 == t3) ~~~~^~~~~