This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define mp make_pair
#define all(a) a.begin(),a.end()
#define X first
#define Y second
using namespace std;
using pii = pair <long long, long long>;
constexpr int maxn = 2e5 + 10;
constexpr int mod = 1000002022;
constexpr long long inf = 1e17 + 10;
int n, m;
vector <pii> graph [maxn];
int g [maxn][maxn];
variant <bool, vector <int>> find_journey (int N, int M, vector <int> U, vector <int> V) {
n = N, m = M;
if (n == 2) return false;
for (int i = 0; i < m; ++i) {
graph[U[i]].push_back (mp (V[i], i));
g[U[i]][V[i]] = i;
}
vector <int> res = {g[0][1], g[1][0], g[0][2], g[2][0], g[1][0], g[0][1], g[2][0], g[0][2]};
return res;
}
Compilation message (stderr)
/usr/lib/gcc/x86_64-linux-gnu/10/libstdc++.a(eh_alloc.o): in function `(anonymous namespace)::pool::free(void*) [clone .constprop.0]':
(.text._ZN12_GLOBAL__N_14pool4freeEPv.constprop.0+0x18): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool4freeEPv.constprop.0+0x2c): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool4freeEPv.constprop.0+0x53): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool4freeEPv.constprop.0+0xb7): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool4freeEPv.constprop.0+0xc3): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool4freeEPv.constprop.0+0x116): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
/usr/lib/gcc/x86_64-linux-gnu/10/libstdc++.a(eh_alloc.o): in function `(anonymous namespace)::pool::allocate(unsigned long) [clone .constprop.0]':
(.text._ZN12_GLOBAL__N_14pool8allocateEm.constprop.0+0x19): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool8allocateEm.constprop.0+0x3b): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool8allocateEm.constprop.0+0x53): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
(.text._ZN12_GLOBAL__N_14pool8allocateEm.constprop.0+0x98): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZN12_GLOBAL__N_114emergency_poolE'
/usr/lib/gcc/x86_64-linux-gnu/10/libstdc++.a(eh_alloc.o): in function `__gnu_cxx::__freeres()':
(.text._ZN9__gnu_cxx9__freeresEv+0x7): additional relocation overflows omitted from the output
/usr/bin/ld: failed to convert GOTPCREL relocation; relink with --no-relax
collect2: error: ld returned 1 exit status