Compilare: main.cpp: In function 'int main()': main.cpp:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int i = 0; i < strlen(s); i++) | ~~^~~~~~~~~~~ main.cpp:47:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 47 | for (int i = 0; i < strlen(s); i += 5) | ~~^~~~~~~~~~~ main.cpp:58:32: warning: iteration 4 invokes undefined behavior [-Waggressive-loop-optimizations] 58 | a = a * 2 + t[z]; | ~~~^ main.cpp:51:31: note: within this loop 51 | for (int z = 1; z <= 5; z++) | ~~^~~~