foo.cc: In function 'int main()':
foo.cc:9:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 |  cin>>s1+1>>s2+1;
      |       ~~^~
foo.cc:9:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 |  cin>>s1+1>>s2+1;
      |             ~~^~

正在同步测试数据，请稍后
Found 5 testcases.
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