제출 #531650

#제출 시각아이디문제언어결과실행 시간메모리
531650Alex_tz307게임 (IOI13_game)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 9; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); struct treapNode { treapNode* l; treapNode* r; int key, prior, val, gcd; }; using ptr = treapNode*; using pt = pair<ptr, ptr>; ptr NIL = new treapNode{nullptr, nullptr, 0, -1, 0, 0}; void updateNode(ptr x) { if (x != NIL) { x->gcd = __gcd(__gcd(x->l->gcd, x->val), x->r->gcd); } } pt split(ptr x, int k) { if (x == NIL) { return {NIL, NIL}; } if (k < x->key) { pt p = split(x->l, k); x->l = p.second; updateNode(x); return {p.first, x}; } pt p = split(x->r, k); x->r = p.first; updateNode(x); return {x, p.second}; } ptr join(ptr x, ptr y) { if (x == NIL) { return y; } if (y == NIL) { return x; } if (y->prior < x->prior) { x->r = join(x->r, y); updateNode(x); return x; } y->l = join(x, y->l); updateNode(y); return y; } bool check(ptr x, int k, int v) { if (!x) { return false; } if (x->key == k) { x->gcd = v; updateNode(x); return true; } if (k < x->key) { bool ret = check(x->l, k, v); updateNode(x); return ret; } else { bool ret = check(x->r, k, v); updateNode(x); return ret; } } ptr ins(ptr x, int k, int v) { if (check(x, k, v)) { return x; } pt p = split(x, k); ptr newNode = new treapNode{NIL, NIL, k, rng() % mod, v, v}; return join(join(p.first, newNode), p.second); } int queryY(ptr x, int st, int dr) { pt p1 = split(x, st - 1); pt p2 = split(p1.second, dr - st + 1); int ans = p2.first->gcd; p1.second = join(p2.first, p2.second); x = join(p1.first, p1.second); return ans; } struct sgtNode { ptr root; sgtNode* l; sgtNode* r; sgtNode() { } }; void update(sgtNode* x, int lx, int rx, int X, int Y, int v) { if (lx == rx) { return; } int mid = (lx + rx) / 2; if (X <= mid) { update(x->l, lx, mid, X, Y, v); } else { update(x->r, mid + 1, rx, X, Y, v); } } int queryX(sgtNode* x, int lx, int rx, int x1, int x2, int y1, int y2) { if (x1 <= lx && rx <= x2) { } int mid = (lx + rx) / 2, ans = 0; if (x1 <= mid) { ans = __gcd(ans, queryX(x->l, lx, mid, x1, x2, y1, y2)); } if (mid < x2) { ans = __gcd(ans, queryX(x->r, mid + 1, rx, x1, x2, y1, y2)); } return ans; } void testCase() { } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int tests = 1; for (int tc = 0; tc < tests; ++tc) { testCase(); } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'treapNode* ins(ptr, int, int)':
game.cpp:82:50: warning: narrowing conversion of '(rng.std::mersenne_twister_engine<long unsigned int, 32, 624, 397, 31, 2567483615, 11, 4294967295, 7, 2636928640, 15, 4022730752, 18, 1812433253>::operator()() % ((std::mersenne_twister_engine<long unsigned int, 32, 624, 397, 31, 2567483615, 11, 4294967295, 7, 2636928640, 15, 4022730752, 18, 1812433253>::result_type)((int)mod)))' from 'std::mersenne_twister_engine<long unsigned int, 32, 624, 397, 31, 2567483615, 11, 4294967295, 7, 2636928640, 15, 4022730752, 18, 1812433253>::result_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing]
   82 |   ptr newNode = new treapNode{NIL, NIL, k, rng() % mod, v, v};
      |                                            ~~~~~~^~~~~
/usr/bin/ld: /tmp/cct29yBG.o: in function `main':
game.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccEWC3CG.o:grader.c:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccEWC3CG.o: in function `main':
grader.c:(.text.startup+0x6b): undefined reference to `init'
/usr/bin/ld: grader.c:(.text.startup+0xd0): undefined reference to `calculate'
/usr/bin/ld: grader.c:(.text.startup+0x13e): undefined reference to `update'
collect2: error: ld returned 1 exit status