Compilare: main.cpp: In function 'int main()': main.cpp:19:8: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 19 | while(i<strlen(s)) | ~^~~~~~~~~~ main.cpp:21:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 21 | if(s[i]=='(' && s[i+1]==')' || s[i]=='[' && s[i+1]==']' || s[i]=='{' && s[i+1]=='}') | ~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:21:74: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 21 | if(s[i]=='(' && s[i+1]==')' || s[i]=='[' && s[i+1]==']' || s[i]=='{' && s[i+1]=='}') | ~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:30:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 30 | while(i>=0 and j<strlen(s)) | ~^~~~~~~~~~ main.cpp:30:1: warning: this 'while' clause does not guard... [-Wmisleading-indentation] 30 | while(i>=0 and j<strlen(s)) | ^~~~~ main.cpp:50:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while' 50 | fout<<j-i-1; | ^~~~