제출 #65641

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
65641		mirbek01	말 (IOI15_horses)	C++17	34 / 100	154 ms	10220 KiB

horses

#include "horses.h"

# include <bits/stdc++.h>

using namespace std;

const int mod = 1e9 + 7;
const int N = 1e5 + 2;

int x[N], y[N], n;

int init(int NN, int X[], int Y[]) {

      n = NN;
      for(int i = 0; i < n; i ++)
            x[i] = X[i], y[i] = Y[i];

      double cur = log10(1), ans = 0;

      int res = 1, ot = 1;

      for(int i = 0; i < n; i ++){
            cur += log10(x[i]);
            res = res * 1ll * x[i] % mod;

            if (cur + log10(y[i]) > ans)
            {
                  ans = cur + log10(y[i]);
                  ot = res * 1ll * y[i] % mod;
            }
      }
      return ot;
}

int updateX(int pos, int val) {
      x[pos] = val;

      double cur = log10(1), ans = 0;

      int res = 1, ot = 1;

      for(int i = 0; i < n; i ++){
            cur += log10(x[i]);
            res = res * 1ll * x[i] % mod;

            if (cur + log10(y[i]) > ans)
            {
                  ans = cur + log10(y[i]);
                  ot = res * 1ll * y[i] % mod;
            }
      }
	return ot;
}

int updateY(int pos, int val) {
      y[pos] = val;
      double cur = log10(1), ans = 0;

      int res = 1, ot = 1;

      for(int i = 0; i < n; i ++){
            cur += log10(x[i]);
            res = res * 1ll * x[i] % mod;

            if (cur + log10(y[i]) > ans)
            {
                  ans = cur + log10(y[i]);
                  ot = res * 1ll * y[i] % mod;
            }
      }
	return ot;
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:24:36: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
             res = res * 1ll * x[i] % mod;
                   ~~~~~~~~~~~~~~~~~^~~~~
horses.cpp:29:41: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
                   ot = res * 1ll * y[i] % mod;
                        ~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:44:36: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
             res = res * 1ll * x[i] % mod;
                   ~~~~~~~~~~~~~~~~~^~~~~
horses.cpp:49:41: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
                   ot = res * 1ll * y[i] % mod;
                        ~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:63:36: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
             res = res * 1ll * x[i] % mod;
                   ~~~~~~~~~~~~~~~~~^~~~~
horses.cpp:68:41: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
                   ot = res * 1ll * y[i] % mod;
                        ~~~~~~~~~~~~~~~~~^~~~~

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 23
• Subtask 5: 0 / 23