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:57:46: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 57 | while(s[i]>='0'&&s[i]<='9'&&i<strlen(s)&&s[i]!='=') | ~^~~~~~~~~~ main.cpp:86:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 86 | while(i<strlen(s)) | ~^~~~~~~~~~ main.cpp:107:46: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 107 | while(s[i]>='0'&&s[i]<='9'&&i<strlen(s)) | ~^~~~~~~~~~