oj.uz

Submission #759292

# Submission time Handle Problem Language Result Execution time Memory
759292 2023-06-16T03:47:29 Z vjudge1 Travelling Merchant (APIO17_merchant) C++17
100 / 100
 950 ms 2852 KB 
#include<bits/stdc++.h>
#pragma GCC optimize(2)
#define int long long
#define X(z) x[z][i][j]
#define L F(i,n)F(j,n)
#define F(x,y) for(int x=1;x<=y;++x)
using namespace std;
int n,m,K,x[4][201][1001];
bool C(int t) {
    L X(3)=-1e18;
    L {
        if(i==j||X(0)>1e9)continue;
        X(3)=-t*X(0);
        F(k,K) {
            if(x[1][i][k]<0||x[2][j][k]<0)continue;
            X(3)=max(X(3),x[2][j][k]-x[1][i][k]-t*X(0));
        }
    }
    F(k,n)L X(3)=max(X(3),x[3][i][k]+x[3][k][j]);
    F(i,n) if(x[3][i][i]>=0)return 1;
    return 0;
}
signed main() {
    cin.sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> m >> K;
    L X(0)=2e9;
    F(i,n)F(j,K)cin>>X(1)>>X(2);
    F(k,m){
        int i,j,c;
        cin>>i>>j>>c;
        X(0)=min(X(0),c);
    }
    F(k,n)L X(0)=min(X(0),x[0][i][k]+x[0][k][j]);
    int l=0,r=1e9;
    while(l<r-1){
        if(C(l+r>>1)) l=l+r>>1;
        else r=l+r>>1;
    }
    cout << l<< '\n';
}

Compilation message

merchant.cpp: In function 'int main()':
merchant.cpp:37:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |         if(C(l+r>>1)) l=l+r>>1;
      |              ~^~
merchant.cpp:37:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |         if(C(l+r>>1)) l=l+r>>1;
      |                         ~^~
merchant.cpp:38:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |         else r=l+r>>1;
      |                ~^~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 230 ms 2812 KB Output is correct
2 Correct 29 ms 2004 KB Output is correct
3 Correct 29 ms 2004 KB Output is correct
4 Correct 4 ms 1108 KB Output is correct
5 Correct 4 ms 1108 KB Output is correct
6 Correct 4 ms 1108 KB Output is correct
7 Correct 10 ms 1112 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 4 ms 1108 KB Output is correct
10 Correct 6 ms 1108 KB Output is correct
11 Correct 4 ms 1108 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 6 ms 1108 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1108 KB Output is correct
2 Correct 10 ms 1112 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 4 ms 1108 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 4 ms 1108 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 5 ms 1108 KB Output is correct
10 Correct 5 ms 1108 KB Output is correct
11 Correct 7 ms 1108 KB Output is correct
12 Correct 7 ms 1164 KB Output is correct
13 Correct 8 ms 1108 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 4 ms 1108 KB Output is correct
16 Correct 6 ms 1108 KB Output is correct
17 Correct 4 ms 1108 KB Output is correct
18 Correct 5 ms 1108 KB Output is correct
19 Correct 9 ms 1108 KB Output is correct
20 Correct 7 ms 1108 KB Output is correct
21 Correct 5 ms 1108 KB Output is correct
22 Correct 7 ms 1108 KB Output is correct
23 Correct 9 ms 1108 KB Output is correct
24 Correct 4 ms 1108 KB Output is correct
25 Correct 8 ms 1108 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 9 ms 1108 KB Output is correct
28 Correct 8 ms 1196 KB Output is correct
29 Correct 7 ms 1200 KB Output is correct
30 Correct 5 ms 1108 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1108 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 9 ms 1108 KB Output is correct
4 Correct 8 ms 1196 KB Output is correct
5 Correct 7 ms 1200 KB Output is correct
6 Correct 5 ms 1108 KB Output is correct
7 Correct 4 ms 1108 KB Output is correct
8 Correct 69 ms 2260 KB Output is correct
9 Correct 700 ms 2844 KB Output is correct
10 Correct 45 ms 2132 KB Output is correct
11 Correct 66 ms 2260 KB Output is correct
12 Correct 66 ms 2148 KB Output is correct
13 Correct 43 ms 2132 KB Output is correct

Subtask #4
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1108 KB Output is correct
2 Correct 5 ms 1108 KB Output is correct
3 Correct 7 ms 1108 KB Output is correct
4 Correct 7 ms 1164 KB Output is correct
5 Correct 8 ms 1108 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 4 ms 1108 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 4 ms 1108 KB Output is correct
10 Correct 5 ms 1108 KB Output is correct
11 Correct 9 ms 1108 KB Output is correct
12 Correct 7 ms 1108 KB Output is correct
13 Correct 5 ms 1108 KB Output is correct
14 Correct 7 ms 1108 KB Output is correct
15 Correct 9 ms 1108 KB Output is correct
16 Correct 4 ms 1108 KB Output is correct
17 Correct 69 ms 2260 KB Output is correct
18 Correct 700 ms 2844 KB Output is correct
19 Correct 45 ms 2132 KB Output is correct
20 Correct 66 ms 2260 KB Output is correct
21 Correct 66 ms 2148 KB Output is correct
22 Correct 43 ms 2132 KB Output is correct
23 Correct 8 ms 1108 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 9 ms 1108 KB Output is correct
26 Correct 8 ms 1196 KB Output is correct
27 Correct 7 ms 1200 KB Output is correct
28 Correct 5 ms 1108 KB Output is correct
29 Correct 4 ms 1108 KB Output is correct
30 Correct 230 ms 2812 KB Output is correct
31 Correct 29 ms 2004 KB Output is correct
32 Correct 29 ms 2004 KB Output is correct
33 Correct 4 ms 1108 KB Output is correct
34 Correct 4 ms 1108 KB Output is correct
35 Correct 4 ms 1108 KB Output is correct
36 Correct 10 ms 1112 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 4 ms 1108 KB Output is correct
39 Correct 6 ms 1108 KB Output is correct
40 Correct 4 ms 1108 KB Output is correct
41 Correct 0 ms 468 KB Output is correct
42 Correct 6 ms 1108 KB Output is correct
43 Correct 38 ms 2132 KB Output is correct
44 Correct 57 ms 2260 KB Output is correct
45 Correct 238 ms 2832 KB Output is correct
46 Correct 53 ms 2260 KB Output is correct
47 Correct 53 ms 2260 KB Output is correct
48 Correct 54 ms 2256 KB Output is correct
49 Correct 950 ms 2844 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 32 ms 2004 KB Output is correct
53 Correct 33 ms 2004 KB Output is correct
54 Correct 39 ms 2148 KB Output is correct
55 Correct 35 ms 2132 KB Output is correct
56 Correct 31 ms 2004 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 11 ms 1236 KB Output is correct
59 Correct 11 ms 1228 KB Output is correct
60 Correct 8 ms 1236 KB Output is correct
61 Correct 718 ms 2764 KB Output is correct
62 Correct 938 ms 2852 KB Output is correct
63 Correct 0 ms 340 KB Output is correct