Compilare: main.cpp: In function 'int main()': main.cpp:130:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 130 | for (i=0; i<strlen(s); i++) | ~^~~~~~~~~~ main.cpp:137:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 137 | for (i=2; i<strlen(s); i++) | ~^~~~~~~~~~ main.cpp:145:15: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 145 | for (i=mn+3; i<strlen(s); i++) | ~^~~~~~~~~~ main.cpp:147:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 147 | while (v[i]!="OR"&&i<strlen(s)) {v[i]=""; i++;} | ~^~~~~~~~~~ main.cpp:150:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 150 | for (i=0; i<strlen(s); i++) q[i]=v[i]; | ~^~~~~~~~~~ main.cpp:160:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 160 | for (int j=0; j<strlen(s); j++) v[j]=q[j]; | ~^~~~~~~~~~