Run id: 70322

Main.cc: In function 'int main()':
Main.cc:5:13: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
 for(int i;i=1;i<=7;i++){
             ^
Main.cc:5:16: warning: for increment expression has no effect [-Wunused-value]
 for(int i;i=1;i<=7;i++){
                ^
Main.cc:5:19: error: expected ')' before ';' token
 for(int i;i=1;i<=7;i++){
                   ^
Main.cc:5:20: error: 'i' was not declared in this scope
 for(int i;i=1;i<=7;i++){
                    ^
Main.cc:4:5: warning: unused variable 'a' [-Wunused-variable]
 int a,sum=0;
     ^