제출 #1014929

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1014929		MarwenElarbi	말 (IOI15_horses)	C++17	100 / 100	227 ms	67164 KiB

horses

#include <bits/stdc++.h>
#include "horses.h"
using namespace std;
#define ll long long
#define pb push_back
#define se second
#define fi first
const int MOD=1e9+7;
const int nax=5e5+5;
struct horse{
    long long x,y,A;
    double X,Y,m;
};
horse segtree[nax*4];
int n;
void update(int pos,int l,int r,int idx,int x,int y){
    if(l>idx||r<idx) return;
    if(l==r){
        if(x){
            segtree[pos].X=log10(x);
            segtree[pos].x=x;
        }if(y){
            segtree[pos].Y=log10(y);
            segtree[pos].y=y;
        }
        segtree[pos].m=segtree[pos].X+segtree[pos].Y;
        segtree[pos].A=segtree[pos].x*segtree[pos].y%MOD;
        return;
    }
    int mid=(r+l)/2;
    update(pos*2+1,l,mid,idx,x,y);
    update(pos*2+2,mid+1,r,idx,x,y);
    segtree[pos].X=segtree[pos*2+1].X+segtree[pos*2+2].X;
    segtree[pos].x=segtree[pos*2+1].x*segtree[pos*2+2].x%MOD;
    if(segtree[pos*2+1].m<segtree[pos*2+2].m+segtree[pos*2+1].X){
        segtree[pos].m=segtree[pos*2+2].m+segtree[pos*2+1].X;
        segtree[pos].A=segtree[pos*2+2].A*segtree[pos*2+1].x%MOD;
    }else{
        segtree[pos].m=segtree[pos*2+1].m;
        segtree[pos].A=segtree[pos*2+1].A;
    }
}
int init(int N, int X[], int Y[]){
    n=N;
    for (int i = 0; i < N; ++i)
    {
        update(0,0,n-1,i,X[i],Y[i]);
    }
    return segtree[0].A;
}

int updateX(int pos, int val){
    update(0,0,n-1,pos,val,0);
    return segtree[0].A;
}

int updateY(int pos, int val) {
    update(0,0,n-1,pos,0,val);
    return segtree[0].A;
}

/*
int main() {
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
    
    int N; cin>>N;

    int *X = (int*)malloc(sizeof(int)*(unsigned int)N);
    int *Y = (int*)malloc(sizeof(int)*(unsigned int)N);

    for (int i = 0; i < N; i++) {
        cin>>X[i];
    }

    for (int i = 0; i < N; i++) {
        cin>>Y[i];
    }   

    cout <<init(N,X,Y)<<" ";

    int M; cin>>M;

    for (int i = 0; i < M; i++) {
        int type; cin>>type; 
        int pos; cin>>pos;
        int val; cin>>val; 

        if (type == 1) {
            cout <<updateX(pos,val)<<" ";
        } else if (type == 2) {
            cout <<updateY(pos,val)<<" ";
        }
    }

    return 0;
}*/

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:49:23: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   49 |     return segtree[0].A;
      |            ~~~~~~~~~~~^
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:54:23: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   54 |     return segtree[0].A;
      |            ~~~~~~~~~~~^
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:59:23: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   59 |     return segtree[0].A;
      |            ~~~~~~~~~~~^

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 23 / 23
• Subtask 5: 23 / 23