oj.uz

Submission #1097021

# Submission time Handle Problem Language Result Execution time Memory
1097021 2024-10-05T18:44:06 Z hgmhc None (JOI14_ho_t2) C++17
100 / 100
 17 ms 860 KB 
#include <bits/stdc++.h>
#define rep(i,a,b) for (auto i = (a); i <= (b); ++i)
#define per(i,a,b) for (auto i = (b); i >= (a); --i)
#define mup(x,y) x = min(x,y)
#define Mup(x,y) x = max(x,y)
using namespace std;
using ll = long long;

const int M = 10003, N = 503;
int m, n;
int p[M];
int c[N], e[N];
ll dp[M+M], sfx[M+M];

int main() {
    scanf("%d%d", &m, &n);
    rep(i,1,m) scanf("%d", &p[i]);
    sort(p+1,p+m+1,greater<>());
    rep(i,1,n) scanf("%d%d", &c[i], &e[i]);
    fill(dp,dp+M+M,1e18);
    fill(sfx,sfx+M+M,1e18);
    dp[0] = 0;
    int mx = *max_element(p+1,p+m+1);
    rep(j,1,n) per(i,0,m+M) {
        if (i >= c[j])
            mup(dp[i],dp[i-c[j]]+e[j]);
    }
    ll ans = 0, pfx = 0;
    per(i,0,m+M) sfx[i] = min(sfx[i-1],dp[i]);
    rep(i,0,m+M) {
        if (i <= m) pfx += p[i];
        Mup(ans, pfx - sfx[i]);
    }
    printf("%lld", ans);
}

Compilation message

2014_ho_t2.cpp: In function 'int main()':
2014_ho_t2.cpp:23:9: warning: unused variable 'mx' [-Wunused-variable]
   23 |     int mx = *max_element(p+1,p+m+1);
      |         ^~
2014_ho_t2.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     scanf("%d%d", &m, &n);
      |     ~~~~~^~~~~~~~~~~~~~~~
2014_ho_t2.cpp:17:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     rep(i,1,m) scanf("%d", &p[i]);
      |                ~~~~~^~~~~~~~~~~~~
2014_ho_t2.cpp:19:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     rep(i,1,n) scanf("%d%d", &c[i], &e[i]);
      |                ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 2 ms 708 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct

Subtask #2
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 604 KB Output is correct
2 Correct 10 ms 852 KB Output is correct
3 Correct 17 ms 836 KB Output is correct
4 Correct 11 ms 824 KB Output is correct
5 Correct 13 ms 604 KB Output is correct
6 Correct 6 ms 604 KB Output is correct
7 Correct 9 ms 824 KB Output is correct
8 Correct 10 ms 604 KB Output is correct
9 Correct 6 ms 768 KB Output is correct
10 Correct 10 ms 604 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 2 ms 708 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 11 ms 604 KB Output is correct
12 Correct 10 ms 852 KB Output is correct
13 Correct 17 ms 836 KB Output is correct
14 Correct 11 ms 824 KB Output is correct
15 Correct 13 ms 604 KB Output is correct
16 Correct 6 ms 604 KB Output is correct
17 Correct 9 ms 824 KB Output is correct
18 Correct 10 ms 604 KB Output is correct
19 Correct 6 ms 768 KB Output is correct
20 Correct 10 ms 604 KB Output is correct
21 Correct 10 ms 856 KB Output is correct
22 Correct 10 ms 604 KB Output is correct
23 Correct 10 ms 860 KB Output is correct
24 Correct 10 ms 860 KB Output is correct
25 Correct 10 ms 852 KB Output is correct
26 Correct 10 ms 604 KB Output is correct
27 Correct 6 ms 600 KB Output is correct
28 Correct 10 ms 832 KB Output is correct
29 Correct 13 ms 768 KB Output is correct
30 Correct 11 ms 604 KB Output is correct