Main.cc: In function 'int main()':
Main.cc:8:19: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
if(a[t]%4==0&&a[t]%100!=0||a[t]%400==0){
^
Main.cc:17:9: error: expected '}' at end of input
return 0;
^