/in/foo.cc: In function 'void add()':
/in/foo.cc:13:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < A.size() || i < B.size(); i++) {
                     ~~^~~~~~~~~~
/in/foo.cc:13:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < A.size() || i < B.size(); i++) {
                                     ~~^~~~~~~~~~
/in/foo.cc:14:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < A.size())
             ~~^~~~~~~~~~
/in/foo.cc:16:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < B.size())
             ~~^~~~~~~~~~
/in/foo.cc: In function 'void subtract()':
/in/foo.cc:36:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < a.size() && a[i] < b[i]) {
             ~~^~~~~~~~~~
/in/foo.cc:46:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < A.size(); i++) {
                     ~~^~~~~~~~~~
/in/foo.cc:48:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < B.size()) t -= B[i];
             ~~^~~~~~~~~~
/in/foo.cc: In function 'void multiply()':
/in/foo.cc:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < A.size() || t; i++) {
                     ~~^~~~~~~~~~
/in/foo.cc:74:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < A.size())
             ~~^~~~~~~~~~
/in/foo.cc: In function 'void divide()':
/in/foo.cc:95:15: warning: unused variable 't' [-Wunused-variable]
     long long t = 0;
               ^

VJ4Error('ProblemDataNotFoundError', '题目 66344d566e9552ce902228f5 的数据未找到。', 'catOS', '66344d566e9552ce902228f5')