oj.uz

답안 #804325

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
804325 2023-08-03T08:02:28 Z 반딧불(#10100) Fun Palace (CCO18_fun) C++17
0 / 25
 1 ms 212 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, e;
int a[1002], b[1002];
int DP[1002][12][12][2];

int main(){
    scanf("%d %d", &n, &e);
    a[1] = e;
    for(int i=1; i<n; i++) scanf("%d %d", &b[i], &a[i+1]);
    b[n] = 1e8;

    int MX = 4;

    for(int i=0; i<=n+1; i++) for(int j=0; j<=MX; j++) for(int k=0; k<=MX; k++) DP[i][j][k][0] = DP[i][j][k][1] = -1;

    DP[n+1][0][MX][0] = 0;
    for(int i=n; i>=1; i--){
        for(int j=0; j<=MX; j++){
            for(int k=0; k<=MX; k++){
                for(int l=0; l<2; l++){
                    if(DP[i+1][j][k][l] == -1) continue;
                    for(int cnt=0; cnt<=MX; cnt++){ /// �� ĭ�� �ִ� ��� ��
                        /// ���� ���ɼ��� �Ǻ��Ѵ�. k�� �̻� �� �� �ִ°�? �̰��� ������ �ּ� ������?
                        int k2 = max(0, b[i]-cnt+!l);
                        int l2 = (cnt + j >= a[i]);
                        int j2 = max(0, cnt + k - a[i]);
                        k2 = min(k2, MX), l2 = min(l2, MX), j2 = min(j2, MX);
                        DP[i][j2][k2][l2] = max(DP[i][j2][k2][l2], DP[i][j][k][l] + cnt);
                    }
                }
            }
        }
    }

    int ans = 0;
    for(int j=0; j<e; j++) for(int k=0; k<=MX; k++) ans = max(ans, DP[1][j][k][0]);
    printf("%d", ans);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d %d", &n, &e);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:14:33: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     for(int i=1; i<n; i++) scanf("%d %d", &b[i], &a[i+1]);
      |                            ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -