/in/foo.cc:39:2: error: stray '`' in program
 }```
  ^
/in/foo.cc:39:3: error: stray '`' in program
 }```
   ^
/in/foo.cc:39:4: error: stray '`' in program
 }```
    ^
/in/foo.cc:67:3: error: stray '\345' in program
 ac全靠rp
   ^
/in/foo.cc:67:4: error: stray '\205' in program
 ac全靠rp
    ^
/in/foo.cc:67:5: error: stray '\250' in program
 ac全靠rp
     ^
/in/foo.cc:67:6: error: stray '\351' in program
 ac全靠rp
      ^
/in/foo.cc:67:7: error: stray '\235' in program
 ac全靠rp
       ^
/in/foo.cc:67:8: error: stray '\240' in program
 ac全靠rp
        ^
/in/foo.cc:68:1: error: stray '\346' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
 ^
/in/foo.cc:68:2: error: stray '\265' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
  ^
/in/foo.cc:68:3: error: stray '\213' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
   ^
/in/foo.cc:68:4: error: stray '\350' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
    ^
/in/foo.cc:68:5: error: stray '\257' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
     ^
/in/foo.cc:68:6: error: stray '\225' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
      ^
/in/foo.cc:68:7: error: stray '\346' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
       ^
/in/foo.cc:68:8: error: stray '\225' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
        ^
/in/foo.cc:68:9: error: stray '\260' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
         ^
/in/foo.cc:68:10: error: stray '\346' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
          ^
/in/foo.cc:68:11: error: stray '\215' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
           ^
/in/foo.cc:68:12: error: stray '\256' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
            ^
/in/foo.cc:68:14: error: stray '#' in program
 测试数据 #0: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
              ^
/in/foo.cc:69:1: error: stray '\346' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
 ^
/in/foo.cc:69:2: error: stray '\265' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
  ^
/in/foo.cc:69:3: error: stray '\213' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
   ^
/in/foo.cc:69:4: error: stray '\350' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
    ^
/in/foo.cc:69:5: error: stray '\257' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
     ^
/in/foo.cc:69:6: error: stray '\225' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
      ^
/in/foo.cc:69:7: error: stray '\346' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
       ^
/in/foo.cc:69:8: error: stray '\225' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
        ^
/in/foo.cc:69:9: error: stray '\260' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
         ^
/in/foo.cc:69:10: error: stray '\346' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
          ^
/in/foo.cc:69:11: error: stray '\215' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
           ^
/in/foo.cc:69:12: error: stray '\256' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
            ^
/in/foo.cc:69:14: error: stray '#' in program
 测试数据 #1: Accepted, time = 0 ms, mem = 391936 KiB, score = 10
              ^
/in/foo.cc:70:1: error: stray '\346' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
 ^
/in/foo.cc:70:2: error: stray '\265' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
  ^
/in/foo.cc:70:3: error: stray '\213' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
   ^
/in/foo.cc:70:4: error: stray '\350' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
    ^
/in/foo.cc:70:5: error: stray '\257' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
     ^
/in/foo.cc:70:6: error: stray '\225' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
      ^
/in/foo.cc:70:7: error: stray '\346' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
       ^
/in/foo.cc:70:8: error: stray '\225' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
        ^
/in/foo.cc:70:9: error: stray '\260' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
         ^
/in/foo.cc:70:10: error: stray '\346' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
          ^
/in/foo.cc:70:11: error: stray '\215' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
           ^
/in/foo.cc:70:12: error: stray '\256' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
            ^
/in/foo.cc:70:14: error: stray '#' in program
 测试数据 #2: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
              ^
/in/foo.cc:71:1: error: stray '\346' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
 ^
/in/foo.cc:71:2: error: stray '\265' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
  ^
/in/foo.cc:71:3: error: stray '\213' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
   ^
/in/foo.cc:71:4: error: stray '\350' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
    ^
/in/foo.cc:71:5: error: stray '\257' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
     ^
/in/foo.cc:71:6: error: stray '\225' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
      ^
/in/foo.cc:71:7: error: stray '\346' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
       ^
/in/foo.cc:71:8: error: stray '\225' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
        ^
/in/foo.cc:71:9: error: stray '\260' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
         ^
/in/foo.cc:71:10: error: stray '\346' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
          ^
/in/foo.cc:71:11: error: stray '\215' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
           ^
/in/foo.cc:71:12: error: stray '\256' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
            ^
/in/foo.cc:71:14: error: stray '#' in program
 测试数据 #3: Accepted, time = 0 ms, mem = 391932 KiB, score = 10
              ^
/in/foo.cc:72:1: error: stray '\346' in program
 测试数据 #4: Accepted, time = 15 ms, mem = 391940 KiB, score = 10
 ^
/in/foo.cc:72:2: error: stray '\265' in program
 测试数据 #4: Accepted, time = 15 ms, mem = 391940 KiB, score = 10
  ^
/in/foo.cc:72:3: error: stray '\213' in program
 测试数据 #4: Accepted, time = 15 ms, mem = 391940 KiB, score = 10
   ^
/in/foo.cc:72:4: error: stray '\350' in program
 测试数据 #4: Accepted, time = 15 ms, mem = 391940 KiB, score = 10
    ^
/in/foo.cc:72:5: error: stray '\257' in program
 测试数据 #4: Accepted, time = 15 ms, mem = 391940 KiB, score = 10
     ^
/in/foo.cc:72:6: error: stray '\225' in program
 测试数据 #4: Accepted, time = 15 ms, mem = 391940 KiB, score = 10
      ^
/in/foo.cc:72:7: error: stray '\346' in program
 测试数据 #4: Accepted, time = 15 ms, mem = 391940 KiB, score = 10
       ^
/in/foo.cc:72:8: error: stray '\225' in program
 测试数据 #4