Main.cc: In function 'int main()': Main.cc:6:14: error: 'INT_MIN' was not declared in this scope int _max=INT_MIN,t;//int范围内最小的整数 ^ Main.cc:7:32: error: 't' was not declared in this scope for(int i=1;i<=7;i++){cin>>t;if(t>_max)_max=t;} ^