Compilare: main.cpp: In function 'int main()': main.cpp:33:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 33 | while(i<strlen(s)&&s[i]!='=') | ~^~~~~~~~~~ main.cpp:53:46: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 53 | while(s[i]>='0'&&s[i]<='9'&&i<strlen(s)&&s[i]!='=') | ~^~~~~~~~~~ main.cpp:76:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 76 | while(i<strlen(s)) | ~^~~~~~~~~~ main.cpp:96:46: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 96 | while(s[i]>='0'&&s[i]<='9'&&i<strlen(s)) | ~^~~~~~~~~~