제출 #921630

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
921630		coding_snorlax	말 (IOI15_horses)	C++14	컴파일 에러	0 ms	0 KiB

horses

//#include "horses.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
int init(int N, int X[], int Y[]) {
    ll answer = 1,tmp=1,i=-1;
    for(int I=N-1;I>=0;I--){
        if(tmp*X[i]>1000000000) {i=I;break;}
        tmp *= X[i];
    }
    if(i==-1) i=0;
    int place = i;
    ll Max=1,tmp2=1;
    for(int j=i;j<N;j++){
        tmp2*=X[j];
        tmp2*=Y[j];
        if(tmp2>Max){
            Max = tmp2;
            place = j;
        }
        tmp2/=Y[j];
    for(int j=0;j<=place;j++){
        answer*=X[j];
        answer %= (1000000007);
    }
    answer*=Y[place];
    return answer % (1000000007);
}

int updateX(int pos, int val) {
    X[pos]=val;
    return init(N,X,Y);
}

int updateY(int pos, int val) {
    Y[pos]=val;
    return init(N,X,Y);
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:12:17: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   12 |     int place = i;
      |                 ^
horses.cpp:14:15: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   14 |     for(int j=i;j<N;j++){
      |               ^
horses.cpp:22:13: warning: declaration of 'j' shadows a previous local [-Wshadow]
   22 |     for(int j=0;j<=place;j++){
      |             ^
horses.cpp:14:13: note: shadowed declaration is here
   14 |     for(int j=i;j<N;j++){
      |             ^
horses.cpp:27:19: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   27 |     return answer % (1000000007);
      |            ~~~~~~~^~~~~~~~~~~~~~
horses.cpp:30:31: error: a function-definition is not allowed here before '{' token
   30 | int updateX(int pos, int val) {
      |                               ^
horses.cpp:35:31: error: a function-definition is not allowed here before '{' token
   35 | int updateY(int pos, int val) {
      |                               ^
horses.cpp:38:1: error: expected '}' at end of input
   38 | }
      | ^
horses.cpp:5:35: note: to match this '{'
    5 | int init(int N, int X[], int Y[]) {
      |                                   ^
horses.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type]
   38 | }
      | ^