oj.uz

답안 #563967

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
563967 2022-05-18T10:06:42 Z dantoh000 Two Dishes (JOI19_dishes) C++14
15 / 100
 150 ms 32152 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF = 1000000000000000000;
int n,m;
int a[200005], s[200005], p[200005];
int b[200005], t[200005], q[200005];
int pa[200005];
int pb[200005];
int pp[200005], pq[200005];
int mem[2005][2005];
int dp(int i, int j){
    if (i == n+1 && j == m+1) return 0;
    if (mem[i][j] != -1) return mem[i][j];
    int T = pa[i-1] + pb[j-1];
    int ret = -INF;
    if (i != n+1){
        ret = max(ret, dp(i+1, j) + ((T+a[i] <= s[i])?p[i]:0));
    }
    if (j != m+1){
        ret = max(ret, dp(i, j+1) + ((T+b[j] <= t[j])?q[j]:0));
    }
    //printf("%d %d %d %d\n",i,j,T,ret);
    return mem[i][j] = ret;
}
main(){
    scanf("%lld%lld",&n,&m);
    for (int i = 1; i <= n; i++){
        scanf("%lld%lld%lld",&a[i],&s[i],&p[i]);
        pa[i] = pa[i-1] + a[i];
        pp[i] = pp[i-1] + p[i];
    }
    for (int i = 1; i <= m; i++){
        scanf("%lld%lld%lld",&b[i],&t[i],&q[i]);
        pb[i] = pb[i-1] + b[i];
        pq[i] = pq[i-1] + q[i];
    }
    if (n <= 2000 && m <= 2000){
        memset(mem,-1,sizeof(mem));
        printf("%lld",dp(1,1));
    }
    else{
        if (s[1] > t[1]){
            swap(n,m);
            swap(a,b);
            swap(s,t);
            swap(p,q);
            swap(pp,pq);
            swap(pa,pb);
        }
        int ans = -INF;
        int R = m;
        int curT = 0;
        int stopT = 0;
        for (int i = 1; i <= n; i++){
            if (pa[i] <= s[1]) pp[i] = max(pp[i-1], pp[i]);
            else pp[i] = pp[i-1];
        }
        for (int i = 0; i <= n; i++){
            while (R >= 1 && pa[i] + pb[R] > t[1]){
                R--;
            }
            ans = max(ans, pp[i]+pq[R]);
        }
        printf("%lld",ans);

    }
}

Compilation message

dishes.cpp:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      | ^~~~
dishes.cpp: In function 'int main()':
dishes.cpp:53:13: warning: unused variable 'curT' [-Wunused-variable]
   53 |         int curT = 0;
      |             ^~~~
dishes.cpp:54:13: warning: unused variable 'stopT' [-Wunused-variable]
   54 |         int stopT = 0;
      |             ^~~~~
dishes.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |     scanf("%lld%lld",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
dishes.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         scanf("%lld%lld%lld",&a[i],&s[i],&p[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:34:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |         scanf("%lld%lld%lld",&b[i],&t[i],&q[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 145 ms 15936 KB Output is correct
2 Correct 145 ms 16124 KB Output is correct
3 Correct 146 ms 16444 KB Output is correct
4 Correct 142 ms 16120 KB Output is correct
5 Correct 14 ms 31828 KB Output is correct
6 Correct 142 ms 15804 KB Output is correct
7 Correct 74 ms 8536 KB Output is correct
8 Correct 83 ms 8592 KB Output is correct
9 Correct 150 ms 16400 KB Output is correct
10 Correct 110 ms 16336 KB Output is correct
11 Correct 102 ms 16440 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31828 KB Output is correct
2 Correct 15 ms 31828 KB Output is correct
3 Correct 13 ms 31720 KB Output is correct
4 Correct 13 ms 31828 KB Output is correct
5 Correct 15 ms 31732 KB Output is correct
6 Correct 14 ms 31780 KB Output is correct
7 Correct 13 ms 31828 KB Output is correct
8 Correct 14 ms 31828 KB Output is correct
9 Correct 13 ms 31728 KB Output is correct
10 Correct 13 ms 31828 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 15 ms 31828 KB Output is correct
13 Correct 13 ms 31728 KB Output is correct
14 Correct 13 ms 31720 KB Output is correct
15 Correct 15 ms 31732 KB Output is correct
16 Correct 13 ms 31828 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31828 KB Output is correct
2 Correct 15 ms 31828 KB Output is correct
3 Correct 13 ms 31720 KB Output is correct
4 Correct 13 ms 31828 KB Output is correct
5 Correct 15 ms 31732 KB Output is correct
6 Correct 14 ms 31780 KB Output is correct
7 Correct 13 ms 31828 KB Output is correct
8 Correct 14 ms 31828 KB Output is correct
9 Correct 13 ms 31728 KB Output is correct
10 Correct 13 ms 31828 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 15 ms 31828 KB Output is correct
13 Correct 13 ms 31728 KB Output is correct
14 Correct 13 ms 31720 KB Output is correct
15 Correct 15 ms 31732 KB Output is correct
16 Correct 13 ms 31828 KB Output is correct
17 Correct 62 ms 32084 KB Output is correct
18 Correct 56 ms 32152 KB Output is correct
19 Correct 65 ms 32084 KB Output is correct
20 Correct 66 ms 32140 KB Output is correct
21 Correct 56 ms 32148 KB Output is correct
22 Correct 60 ms 32084 KB Output is correct
23 Correct 60 ms 32084 KB Output is correct

Subtask #4
0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31828 KB Output is correct
2 Correct 15 ms 31828 KB Output is correct
3 Correct 13 ms 31720 KB Output is correct
4 Correct 13 ms 31828 KB Output is correct
5 Correct 15 ms 31732 KB Output is correct
6 Correct 14 ms 31780 KB Output is correct
7 Correct 13 ms 31828 KB Output is correct
8 Correct 14 ms 31828 KB Output is correct
9 Correct 13 ms 31728 KB Output is correct
10 Correct 13 ms 31828 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 15 ms 31828 KB Output is correct
13 Correct 13 ms 31728 KB Output is correct
14 Correct 13 ms 31720 KB Output is correct
15 Correct 15 ms 31732 KB Output is correct
16 Correct 13 ms 31828 KB Output is correct
17 Correct 62 ms 32084 KB Output is correct
18 Correct 56 ms 32152 KB Output is correct
19 Correct 65 ms 32084 KB Output is correct
20 Correct 66 ms 32140 KB Output is correct
21 Correct 56 ms 32148 KB Output is correct
22 Correct 60 ms 32084 KB Output is correct
23 Correct 60 ms 32084 KB Output is correct
24 Incorrect 122 ms 15976 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31828 KB Output is correct
2 Correct 15 ms 31828 KB Output is correct
3 Correct 13 ms 31720 KB Output is correct
4 Correct 13 ms 31828 KB Output is correct
5 Correct 15 ms 31732 KB Output is correct
6 Correct 14 ms 31780 KB Output is correct
7 Correct 13 ms 31828 KB Output is correct
8 Correct 14 ms 31828 KB Output is correct
9 Correct 13 ms 31728 KB Output is correct
10 Correct 13 ms 31828 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 15 ms 31828 KB Output is correct
13 Correct 13 ms 31728 KB Output is correct
14 Correct 13 ms 31720 KB Output is correct
15 Correct 15 ms 31732 KB Output is correct
16 Correct 13 ms 31828 KB Output is correct
17 Correct 62 ms 32084 KB Output is correct
18 Correct 56 ms 32152 KB Output is correct
19 Correct 65 ms 32084 KB Output is correct
20 Correct 66 ms 32140 KB Output is correct
21 Correct 56 ms 32148 KB Output is correct
22 Correct 60 ms 32084 KB Output is correct
23 Correct 60 ms 32084 KB Output is correct
24 Incorrect 122 ms 15976 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31828 KB Output is correct
2 Correct 15 ms 31828 KB Output is correct
3 Correct 13 ms 31720 KB Output is correct
4 Correct 13 ms 31828 KB Output is correct
5 Correct 15 ms 31732 KB Output is correct
6 Correct 14 ms 31780 KB Output is correct
7 Correct 13 ms 31828 KB Output is correct
8 Correct 14 ms 31828 KB Output is correct
9 Correct 13 ms 31728 KB Output is correct
10 Correct 13 ms 31828 KB Output is correct
11 Correct 14 ms 31828 KB Output is correct
12 Correct 15 ms 31828 KB Output is correct
13 Correct 13 ms 31728 KB Output is correct
14 Correct 13 ms 31720 KB Output is correct
15 Correct 15 ms 31732 KB Output is correct
16 Correct 13 ms 31828 KB Output is correct
17 Correct 62 ms 32084 KB Output is correct
18 Correct 56 ms 32152 KB Output is correct
19 Correct 65 ms 32084 KB Output is correct
20 Correct 66 ms 32140 KB Output is correct
21 Correct 56 ms 32148 KB Output is correct
22 Correct 60 ms 32084 KB Output is correct
23 Correct 60 ms 32084 KB Output is correct
24 Incorrect 122 ms 15976 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 145 ms 15936 KB Output is correct
2 Correct 145 ms 16124 KB Output is correct
3 Correct 146 ms 16444 KB Output is correct
4 Correct 142 ms 16120 KB Output is correct
5 Correct 14 ms 31828 KB Output is correct
6 Correct 142 ms 15804 KB Output is correct
7 Correct 74 ms 8536 KB Output is correct
8 Correct 83 ms 8592 KB Output is correct
9 Correct 150 ms 16400 KB Output is correct
10 Correct 110 ms 16336 KB Output is correct
11 Correct 102 ms 16440 KB Output is correct
12 Correct 13 ms 31828 KB Output is correct
13 Correct 15 ms 31828 KB Output is correct
14 Correct 13 ms 31720 KB Output is correct
15 Correct 13 ms 31828 KB Output is correct
16 Correct 15 ms 31732 KB Output is correct
17 Correct 14 ms 31780 KB Output is correct
18 Correct 13 ms 31828 KB Output is correct
19 Correct 14 ms 31828 KB Output is correct
20 Correct 13 ms 31728 KB Output is correct
21 Correct 13 ms 31828 KB Output is correct
22 Correct 14 ms 31828 KB Output is correct
23 Correct 15 ms 31828 KB Output is correct
24 Correct 13 ms 31728 KB Output is correct
25 Correct 13 ms 31720 KB Output is correct
26 Correct 15 ms 31732 KB Output is correct
27 Correct 13 ms 31828 KB Output is correct
28 Correct 62 ms 32084 KB Output is correct
29 Correct 56 ms 32152 KB Output is correct
30 Correct 65 ms 32084 KB Output is correct
31 Correct 66 ms 32140 KB Output is correct
32 Correct 56 ms 32148 KB Output is correct
33 Correct 60 ms 32084 KB Output is correct
34 Correct 60 ms 32084 KB Output is correct
35 Incorrect 122 ms 15976 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 145 ms 15936 KB Output is correct
2 Correct 145 ms 16124 KB Output is correct
3 Correct 146 ms 16444 KB Output is correct
4 Correct 142 ms 16120 KB Output is correct
5 Correct 14 ms 31828 KB Output is correct
6 Correct 142 ms 15804 KB Output is correct
7 Correct 74 ms 8536 KB Output is correct
8 Correct 83 ms 8592 KB Output is correct
9 Correct 150 ms 16400 KB Output is correct
10 Correct 110 ms 16336 KB Output is correct
11 Correct 102 ms 16440 KB Output is correct
12 Correct 13 ms 31828 KB Output is correct
13 Correct 15 ms 31828 KB Output is correct
14 Correct 13 ms 31720 KB Output is correct
15 Correct 13 ms 31828 KB Output is correct
16 Correct 15 ms 31732 KB Output is correct
17 Correct 14 ms 31780 KB Output is correct
18 Correct 13 ms 31828 KB Output is correct
19 Correct 14 ms 31828 KB Output is correct
20 Correct 13 ms 31728 KB Output is correct
21 Correct 13 ms 31828 KB Output is correct
22 Correct 14 ms 31828 KB Output is correct
23 Correct 15 ms 31828 KB Output is correct
24 Correct 13 ms 31728 KB Output is correct
25 Correct 13 ms 31720 KB Output is correct
26 Correct 15 ms 31732 KB Output is correct
27 Correct 13 ms 31828 KB Output is correct
28 Correct 62 ms 32084 KB Output is correct
29 Correct 56 ms 32152 KB Output is correct
30 Correct 65 ms 32084 KB Output is correct
31 Correct 66 ms 32140 KB Output is correct
32 Correct 56 ms 32148 KB Output is correct
33 Correct 60 ms 32084 KB Output is correct
34 Correct 60 ms 32084 KB Output is correct
35 Incorrect 122 ms 15976 KB Output isn't correct
36 Halted 0 ms 0 KB -