squarerect.cpp: In function 'bool am_i_square(int, int)':
squarerect.cpp:5:9: error: 'll' was not declared in this scope
5 | ll c= (4/100)*N;
| ^~
squarerect.cpp:6:33: error: 'c' was not declared in this scope
6 | for(int i = 1 ; i <= N , c >=0 ; i++){
| ^
squarerect.cpp:10:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
10 | scanf("%d" , &a);
| ~~~~~^~~~~~~~~~~
squarerect.cpp:6:16: warning: control reaches end of non-void function [-Wreturn-type]
6 | for(int i = 1 ; i <= N , c >=0 ; i++){
| ^