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#include <mpi.h>
#ifdef __cplusplus
# include <cstdio>
#else
# include <stdio.h>
#endif
int main(int argc, char* argv[])
{
char mpilibver_str[MPI_MAX_LIBRARY_VERSION_STRING];
int mpilibver_len;
MPI_Get_library_version(mpilibver_str, &mpilibver_len);
#ifdef __cplusplus
std::puts(mpilibver_str);
#else
puts(mpilibver_str);
#endif
}