Submission #726068

#TimeUsernameProblemLanguageResultExecution timeMemory
726068Black_HawkReversing a Sequence (IOI16_reverse)C++17
Compilation error
0 ms0 KiB
#include "reverse.h" #include "grader.cpp" std::vector<long long> reverse(std::vector<long long> a) { for (int i = 0; i < a.size()/2; i++) { long long temp = a[i]; a[i] = a[a.size()-i-1]; a[a.size()-i-1] = temp; } return a; }

Compilation message (stderr)

reverse.cpp: In function 'std::vector<long long int> reverse(std::vector<long long int>)':
reverse.cpp:6:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |     for (int i = 0; i < a.size()/2; i++)
      |                     ~~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccm36JwZ.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cclojCq0.o:reverse.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status