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Submission #759291

# Submission time Handle Problem Language Result Execution time Memory
759291 2023-06-16T03:46:35 Z boyliguanhan Travelling Merchant (APIO17_merchant) C++17
100 / 100
 934 ms 5008 KB 
#include<bits/stdc++.h>
#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 >> 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:34:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   34 |         if(C(l+r>>1)) l=l+r>>1;
      |              ~^~
merchant.cpp:34:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   34 |         if(C(l+r>>1)) l=l+r>>1;
      |                         ~^~
merchant.cpp:35:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |         else r=l+r>>1;
      |                ~^~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 349 ms 2824 KB Output is correct
2 Correct 30 ms 1972 KB Output is correct
3 Correct 31 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 9 ms 1176 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 4 ms 1108 KB Output is correct
10 Correct 5 ms 1108 KB Output is correct
11 Correct 5 ms 1108 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 7 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 9 ms 1176 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 4 ms 1108 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 5 ms 1108 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 7 ms 1108 KB Output is correct
9 Correct 8 ms 1108 KB Output is correct
10 Correct 5 ms 1148 KB Output is correct
11 Correct 9 ms 1108 KB Output is correct
12 Correct 11 ms 1108 KB Output is correct
13 Correct 9 ms 1172 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 4 ms 1108 KB Output is correct
16 Correct 10 ms 1180 KB Output is correct
17 Correct 5 ms 1108 KB Output is correct
18 Correct 6 ms 1108 KB Output is correct
19 Correct 10 ms 1108 KB Output is correct
20 Correct 8 ms 1108 KB Output is correct
21 Correct 5 ms 1140 KB Output is correct
22 Correct 6 ms 1156 KB Output is correct
23 Correct 11 ms 1108 KB Output is correct
24 Correct 5 ms 1108 KB Output is correct
25 Correct 9 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 9 ms 1108 KB Output is correct
29 Correct 8 ms 1176 KB Output is correct
30 Correct 8 ms 1144 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 9 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 9 ms 1108 KB Output is correct
5 Correct 8 ms 1176 KB Output is correct
6 Correct 8 ms 1144 KB Output is correct
7 Correct 4 ms 1108 KB Output is correct
8 Correct 74 ms 2224 KB Output is correct
9 Correct 497 ms 2824 KB Output is correct
10 Correct 46 ms 2108 KB Output is correct
11 Correct 71 ms 2444 KB Output is correct
12 Correct 77 ms 2444 KB Output is correct
13 Correct 47 ms 2212 KB Output is correct

Subtask #4
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1108 KB Output is correct
2 Correct 5 ms 1148 KB Output is correct
3 Correct 9 ms 1108 KB Output is correct
4 Correct 11 ms 1108 KB Output is correct
5 Correct 9 ms 1172 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 4 ms 1108 KB Output is correct
8 Correct 10 ms 1180 KB Output is correct
9 Correct 5 ms 1108 KB Output is correct
10 Correct 6 ms 1108 KB Output is correct
11 Correct 10 ms 1108 KB Output is correct
12 Correct 8 ms 1108 KB Output is correct
13 Correct 5 ms 1140 KB Output is correct
14 Correct 6 ms 1156 KB Output is correct
15 Correct 11 ms 1108 KB Output is correct
16 Correct 5 ms 1108 KB Output is correct
17 Correct 74 ms 2224 KB Output is correct
18 Correct 497 ms 2824 KB Output is correct
19 Correct 46 ms 2108 KB Output is correct
20 Correct 71 ms 2444 KB Output is correct
21 Correct 77 ms 2444 KB Output is correct
22 Correct 47 ms 2212 KB Output is correct
23 Correct 9 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 9 ms 1108 KB Output is correct
27 Correct 8 ms 1176 KB Output is correct
28 Correct 8 ms 1144 KB Output is correct
29 Correct 4 ms 1108 KB Output is correct
30 Correct 349 ms 2824 KB Output is correct
31 Correct 30 ms 1972 KB Output is correct
32 Correct 31 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 9 ms 1176 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 4 ms 1108 KB Output is correct
39 Correct 5 ms 1108 KB Output is correct
40 Correct 5 ms 1108 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 7 ms 1108 KB Output is correct
43 Correct 37 ms 2004 KB Output is correct
44 Correct 71 ms 2304 KB Output is correct
45 Correct 322 ms 3316 KB Output is correct
46 Correct 65 ms 2260 KB Output is correct
47 Correct 69 ms 2308 KB Output is correct
48 Correct 66 ms 2308 KB Output is correct
49 Correct 900 ms 4764 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 34 ms 2116 KB Output is correct
53 Correct 38 ms 2132 KB Output is correct
54 Correct 42 ms 2132 KB Output is correct
55 Correct 39 ms 2148 KB Output is correct
56 Correct 34 ms 2004 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 13 ms 1228 KB Output is correct
59 Correct 13 ms 1216 KB Output is correct
60 Correct 11 ms 1300 KB Output is correct
61 Correct 542 ms 5008 KB Output is correct
62 Correct 934 ms 4868 KB Output is correct
63 Correct 0 ms 340 KB Output is correct