Compilare: main.cpp: In function 'int value(char*, int, int, int, int)': main.cpp:25:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(i=0;i<strlen(c);i++) | ~^~~~~~~~~~ main.cpp:54:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(i=0;i<strlen(c);i++) | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:115:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 115 | for(i=0;i<strlen(c);i++) | ~^~~~~~~~~~ main.cpp:143:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 143 | for(i=0;i<strlen(c);i++) | ~^~~~~~~~~~