Compilare: main.cpp: In function 'int main()': main.cpp:16:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(i=0;i<strlen(c);i++) | ~^~~~~~~~~~ main.cpp:26:8: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 26 | if(ok==0) | ^~ main.cpp:28:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 28 | ok=1; | ^~ main.cpp:29:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int i=0;i<strlen(s);i++) | ~^~~~~~~~~~ main.cpp:41:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(i=0;i<strlen(c)-k+1;i++) | ~^~~~~~~~~~~~~~