제출 #1022077

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1022077		JakobZorz	비스킷 담기 (IOI20_biscuits)	C++17	컴파일 에러	0 ms	0 KiB

biscuits

#include"biscuits.h"
#include<map>
typedef long long ll;
using namespace std;

ll x;
ll coins[120];
unordered_map<ll,ll>dp[120];

ll count(int i,ll num){
    if(i==120)
        return 1;
    if(dp[i].count(num))
        return dp[i][num];
    ll res=0;
    if(num>=x){
        res+=count(i+1,coins[i+1]+(num-x)/2);
    }
    res+=count(i+1,coins[i+1]+num/2);
    dp[i][num]=res;
    return res;
}

ll count_tastiness(ll X,vector<ll>a){
    x=X;
    for(int i=0;i<120;i++){
        coins[i]=0;
        dp[i].clear();
    }
    for(int i=0;i<(int)a.size();i++)
        coins[i]=a[i];
	return count(0,coins[0]);
}

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp:8:1: error: 'unordered_map' does not name a type
    8 | unordered_map<ll,ll>dp[120];
      | ^~~~~~~~~~~~~
biscuits.cpp: In function 'll count(int, ll)':
biscuits.cpp:13:8: error: 'dp' was not declared in this scope
   13 |     if(dp[i].count(num))
      |        ^~
biscuits.cpp:20:5: error: 'dp' was not declared in this scope
   20 |     dp[i][num]=res;
      |     ^~
biscuits.cpp: In function 'll count_tastiness(ll, std::vector<long long int>)':
biscuits.cpp:28:9: error: 'dp' was not declared in this scope
   28 |         dp[i].clear();
      |         ^~
biscuits.cpp:30:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   30 |     for(int i=0;i<(int)a.size();i++)
      |     ^~~
biscuits.cpp:32:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   32 |  return count(0,coins[0]);
      |  ^~~~~~