제출 #806325

#제출 시각아이디문제언어결과실행 시간메모리
806325urd05Fun Palace (CCO18_fun)C++17
3 / 25
154 ms78620 KiB
#include <bits/stdc++.h>
using namespace std;

int n;
int e;
int a[1000];
int b[1000];
int dp[1000][20001];
int temp[20001];
const int MAX=20000;
int nt[20005];

int main() {
    scanf("%d%d",&n,&e);
    for(int i=0;i<n-1;i++) {
        scanf("%d %d",&a[i],&b[i]);
    }
    for(int i=0;i<=MAX;i++) {
        dp[n-1][i]=i;
        nt[i]=-1;
    }
    for(int i=n-2;i>=0;i--) {
        temp[b[i]]=dp[i+1][b[i]]-b[i];
        for(int j=b[i]+1;j<=MAX;j++) {
            temp[j]=max(temp[j-1],dp[i+1][j]-j);
        }
        for(int j=0;j<=MAX;j++) {
            if (j>0) {
                dp[i][j]=max(dp[i][j],dp[i][j-1]);
            }
            dp[i][j]=max(dp[i][j],dp[i+1][j]);
            int now=0;
            if (j<a[i]) {
                now=dp[i+1][b[i]]+j;
            }
            else if (j<a[i]+b[i]) {
                now=dp[i+1][j-a[i]]+a[i];
            }
            else {
                now=dp[i+1][j];
            }
            dp[i][j]=max(dp[i][j],now);
        }
        for(int j=0;j<a[i]+b[i];j++) {
            nt[j]=i;
        }
    }
    printf("%d",dp[0][e-1]);
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     scanf("%d%d",&n,&e);
      |     ~~~~~^~~~~~~~~~~~~~
Main.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         scanf("%d %d",&a[i],&b[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~
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