제출 #712060

#제출 시각아이디문제언어결과실행 시간메모리
712060sharaelong로봇 (IOI13_robots)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #ifdef SHARAELONG #include "../../cpp-header/debug.hpp" #endif using namespace std; typedef long long ll; typedef pair<int, int> pii; struct FenwickTree { vector<int> tree; FenwickTree(int size) { tree.resize(size+1, 0); } int sum(int pos) { int ret = 0; for (int i=pos+1; i>0; i &= (i-1)) ret += tree[i]; return ret; } void add(int pos, int val) { for (int i=pos+1; i<tree.size(); i+=(i & -i)) tree[i] += val; } }; void solve() { int a, b, t; cin >> a >> b >> t; vector<int> A(a), B(b); for (int& x: A) cin >> x; for (int& x: B) cin >> x; A.push_back(0); B.push_back(0); sort(A.begin(), A.end()); sort(B.begin(), B.end()); vector<pii> toys(t); for (int i=0; i<t; ++i) { int w, s; cin >> w >> s; w = upper_bound(A.begin(), A.end(), w) - A.begin() - 1; s = upper_bound(B.begin(), B.end(), s) - B.begin() - 1; toys[i] = {w,s}; } sort(toys.begin(), toys.end(), [](const pii& p, const pii& q) { if (p.second == q.second) return p.first > q.first; return p.second > q.second; }); if (toys[0] == make_pair(a, b)) { cout << -1; return; } int ans = 1; FenwickTree fen(a+1); for (auto[x, y]: toys) { fen.add(x, 1); ans = max(ans, (fen.sum(a) - fen.sum(x-1) - 1) / (a+b-x-y) + 1); } cout << ans; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); solve(); }

컴파일 시 표준 에러 (stderr) 메시지

robots.cpp: In member function 'void FenwickTree::add(int, int)':
robots.cpp:22:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for (int i=pos+1; i<tree.size(); i+=(i & -i)) tree[i] += val;
      |                           ~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccyWLPNd.o: in function `main':
robots.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccJ59SNd.o:grader.c:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccJ59SNd.o: in function `main':
grader.c:(.text.startup+0x1b1): undefined reference to `putaway'
collect2: error: ld returned 1 exit status