제출 #584224

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
584224		hibiki	말 (IOI15_horses)	C++11	컴파일 에러	0 ms	0 KiB

horses

// #include "horses.h"
#include <bits/stdc++.h>
using namespace std;

#define mod 1000000007;
#define pb push_back

int n, x[500005], y[500005];
set<int, greater<int>> s;

struct node
{
	long long val;
	node *l, *r;
} *root1, *root2;

node* build1(int l,int r)
{
	node *ptr = new node;
	if(l == r)
	{
		ptr->val = x[l];
		return ptr;
	}
	int mid = (l + r) / 2;
	ptr->l = build1(l, mid);
	ptr->r = build1(mid + 1, r);
	ptr->val = ptr->l->val * ptr->r->val;
    ptr->val %= mod;
    return ptr;
}

node* build2(int l,int r)
{
	node *ptr = new node;
	if(l == r)
	{
		ptr->val = y[l];
		return ptr;
	}
	int mid = (l + r) / 2;
	ptr->l = build2(l, mid);
	ptr->r = build2(mid + 1, r);
	ptr->val = max(ptr->l->val, ptr->r->val);
    return ptr;
}

int ll,rr;
long long que1(node *ptr, int l,int r)
{
    if(ll <= l && r <= rr) return ptr->val;
    if(r < ll || rr < l) return 1;
    int mid = (l + r) / 2;
    return (que1(ptr->l, l, mid) * que1(ptr->r, mid + 1, r)) % mod;
}

int que2(node *ptr, int l,int r)
{
    if(ll <= l && r <= rr) return ptr->val;
    if(r < ll || rr < l) return 0;
    int mid = (l + r) / 2;
    return max(que2(ptr->l, l, mid),que2(ptr->r, mid + 1, r));
}

int up_po,up_val;
void up1(node *ptr, int l,int r)
{
    if(l == r)
    {
        ptr->val = up_val;
        return ;
    }
    int mid = (l + r) / 2;
    if(up_po <= mid) up1(ptr->l, l, mid);
    else up1(ptr->r, mid + 1, r);
    ptr->val = ptr->l->val * ptr->r->val;
    ptr->val %= mod;
}

void up2(node *ptr, int l,int r)
{
    if(l == r)
    {
        ptr->val = up_val;
        return ;
    }
    int mid = (l + r) / 2;
    if(up_po <= mid) up2(ptr->l, l, mid);
    else up2(ptr->r, mid + 1, r);
    ptr->val = max(ptr->l->val, ptr->r->val);
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int que2(node*, int, int)':
horses.cpp:59:40: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   59 |     if(ll <= l && r <= rr) return ptr->val;
      |                                   ~~~~~^~~
/usr/bin/ld: /tmp/ccrwYyNe.o: in function `main':
grader.c:(.text.startup+0xaa): undefined reference to `init(int, int*, int*)'
/usr/bin/ld: grader.c:(.text.startup+0x113): undefined reference to `updateX(int, int)'
/usr/bin/ld: grader.c:(.text.startup+0x16d): undefined reference to `updateY(int, int)'
collect2: error: ld returned 1 exit status