0_0_37676710_24946.cpp: In function 'std::array<long long int, 3ull> query(int, int, int, int, int, int)':
0_0_37676710_24946.cpp:125:14: error: expected unqualified-id before '[' token
auto [xa, xb, xc] = query(now << 1, l, mid, L, R, t);
^
0_0_37676710_24946.cpp:126:13: error: 'xa' was not declared in this scope
a = xa < a ? xa : a;
^
0_0_37676710_24946.cpp:127:13: error: 'xb' was not declared in this scope
b = xb > b ? xb : b;
^
0_0_37676710_24946.cpp:128:13: error: 'xc' was not declared in this scope
c = xc > c ? xc : c;
^
0_0_37676710_24946.cpp:132:14: error: expected unqualified-id before '[' token
auto [xa, xb, xc] = query(now << 1 | 1, mid + 1, r, L, R, t);
^
0_0_37676710_24946.cpp:133:13: error: 'xa' was not declared in this scope
a = xa < a ? xa : a;
^
0_0_37676710_24946.cpp:134:13: error: 'xb' was not declared in this scope
b = xb > b ? xb : b;
^
0_0_37676710_24946.cpp:135:13: error: 'xc' was not declared in this scope
c = xc > c ? xc : c;
^
0_0_37676710_24946.cpp: In function 'll solve(int, int, int)':
0_0_37676710_24946.cpp:159:14: error: expected unqualified-id before '[' token
auto [xa, xb, xc] = query(1, 1, n, dfn[top[a]], dfn[a], f);
^
0_0_37676710_24946.cpp:160:15: error: 'xc' was not declared in this scope
ans = xc > ans ? xc : ans;
^
0_0_37676710_24946.cpp:161:24: error: 'xb' was not declared in this scope
ans = max(ans, xb - pre);
^
0_0_37676710_24946.cpp:162:15: error: 'xa' was not declared in this scope
pre = xa < pre ? xa : pre;
^
0_0_37676710_24946.cpp:165:10: error: expected unqualified-id before '[' token
auto [xa, xb, xc] = query(1, 1, n, dfn[a], dfn[b], f);
^
0_0_37676710_24946.cpp:166:20: error: 'xb' was not declared in this scope
ans = max(ans, xb - pre);
^
0_0_37676710_24946.cpp:167:11: error: 'xc' was not declared in this scope
ans = xc > ans ? xc : ans;
^
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