pigus_skrydziai.cpp: In function 'int main()':
pigus_skrydziai.cpp:26:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < a[x].size(); ++i)
~~^~~~~~~~~~~~~
pigus_skrydziai.cpp:34:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < a[x].size(); ++i)
~~^~~~~~~~~~~~~
pigus_skrydziai.cpp:36:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = i + 1; j < a[x].size(); ++j)
~~^~~~~~~~~~~~~
pigus_skrydziai.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &m);
~~~~~^~~~~~~~~~~~~~~~
pigus_skrydziai.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d", &x, &y, &z);
~~~~~^~~~~~~~~~~~~~~~~~~~~~