foo.cc: In function 'int main()':
foo.cc:15:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   15 |         cin>>a+1;
      |              ~^~
foo.cc:16:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   16 |         cin>>b+1;
      |              ~^~

正在同步测试数据，请稍后
Found 5 testcases.
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