제출 #849991

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
849991		Ahmed57	Uplifting Excursion (BOI22_vault)	C++17	컴파일 에러	0 ms	0 KiB

vault

#include <bits/stdc++.h>
using namespace std;
int dp[2][505000*2+1],arr[301],br = 505000,n,m;

signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    cin>>m>>n;
    for(int i = 0;i<2*m+1;i++){
        cin>>arr[i];
    }
    long long l = 5050000
    for(int i = 2*m+1;i>=0;i--){
        for(int j = 0;j<=505000*2-(i-(2*m+1))*100;j++){
            if(i==2*m+1){
                if(j==n+br){
                    dp[i&1][j] = 0;
                }else{
                    dp[i&1][j] = -1e9;
                }
                continue;
            }
            int ans = -1e9;
            for(int e = 0;e<=arr[i];e++){
                if(j+e*(i-m)>505000*2)break;
                if(j+e*(i-m)<0)continue;
                ans = max(ans,dp[!(i&1)][j+e*(i-m)]+e);
            }
            dp[i&1][j] = ans;
        }
    }
    long long vl = dp[0][505000];
    if(vl<0)cout<<"impossible\n";
    else cout<<vl<<endl;
}

컴파일 시 표준 에러 (stderr) 메시지

vault.cpp: In function 'int main()':
vault.cpp:12:5: error: expected ',' or ';' before 'for'
   12 |     for(int i = 2*m+1;i>=0;i--){
      |     ^~~
vault.cpp:12:23: error: 'i' was not declared in this scope
   12 |     for(int i = 2*m+1;i>=0;i--){
      |                       ^
vault.cpp:11:15: warning: unused variable 'l' [-Wunused-variable]
   11 |     long long l = 5050000
      |               ^