oj.uz

Submission #219370

# Submission time Handle Problem Language Result Execution time Memory
219370 2020-04-05T07:56:24 Z ho94949 Treatment Project (JOI20_treatment) C++17
35 / 100
 318 ms 196472 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXM = 5000;
const long long INF = 0x3f3f3f3f3f3f3f3fLL;
int N, M;
int T[MAXM+2], L[MAXM+2], R[MAXM+2], C[MAXM+2];
long long cost[MAXM+2][MAXM+2];
long long dist[MAXM+2];
bool vis[MAXM+2];
long long dijk(int N, int s, int e)
{
    memset(dist, 0x3f, sizeof dist);
    memset(vis, 0, sizeof vis);
    dist[s] = 0;
    for(int _=0; _<N; _++)
    {
        int mini = -1; long long minv = INF;
        for(int i=0; i<N; ++i)
            if(!vis[i] && minv>dist[i])
                mini = i, minv = dist[i];
        if(mini == -1) return -1;
        if(mini == e) return minv;
        vis[mini] = true;
        for(int i=0; i<N; ++i)
            dist[i] = min(dist[i], dist[mini]+cost[mini][i]);
    }
    return -1;
}
int main()
{
    scanf("%d%d", &N, &M);
    for(int i=1; i<=M; ++i)
    {
        scanf("%d%d%d%d", T+i, L+i, R+i, C+i);
        --L[i]; //L[i] = 0, R[i] = N covers whole
    }
    memset(cost, 0x3f, sizeof cost);
    for(int i=1; i<=M; ++i)
    {
        if(L[i] == 0) cost[0][i] = C[i];
        if(R[i] == N) cost[i][M+1] = 0;
    }
    for(int i=1; i<=M; ++i)
    {
        for(int j=1; j<=M; ++j)
        {
            if(i==j) continue;
            if(R[i] - abs(T[i]-T[j]) >= L[j])
                cost[i][j] = C[j];
        }
    }
    long long ans = dijk(M+2, 0, M+1);
    printf("%lld\n", ans);
}

Compilation message

treatment.cpp: In function 'int main()':
treatment.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &M);
     ~~~~~^~~~~~~~~~~~~~~~
treatment.cpp:34:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d%d", T+i, L+i, R+i, C+i);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 101 ms 196344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 196216 KB Output is correct
2 Correct 99 ms 196216 KB Output is correct
3 Correct 113 ms 196160 KB Output is correct
4 Correct 99 ms 196216 KB Output is correct
5 Correct 100 ms 196216 KB Output is correct
6 Correct 101 ms 196344 KB Output is correct
7 Correct 97 ms 196216 KB Output is correct
8 Correct 97 ms 196216 KB Output is correct
9 Correct 100 ms 196216 KB Output is correct
10 Correct 96 ms 196216 KB Output is correct
11 Correct 100 ms 196216 KB Output is correct
12 Correct 100 ms 196216 KB Output is correct
13 Correct 96 ms 196216 KB Output is correct
14 Correct 97 ms 196216 KB Output is correct
15 Correct 96 ms 196216 KB Output is correct
16 Correct 102 ms 196216 KB Output is correct
17 Correct 99 ms 196216 KB Output is correct
18 Correct 101 ms 196220 KB Output is correct
19 Correct 98 ms 196216 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 196216 KB Output is correct
2 Correct 99 ms 196216 KB Output is correct
3 Correct 113 ms 196160 KB Output is correct
4 Correct 99 ms 196216 KB Output is correct
5 Correct 100 ms 196216 KB Output is correct
6 Correct 101 ms 196344 KB Output is correct
7 Correct 97 ms 196216 KB Output is correct
8 Correct 97 ms 196216 KB Output is correct
9 Correct 100 ms 196216 KB Output is correct
10 Correct 96 ms 196216 KB Output is correct
11 Correct 100 ms 196216 KB Output is correct
12 Correct 100 ms 196216 KB Output is correct
13 Correct 96 ms 196216 KB Output is correct
14 Correct 97 ms 196216 KB Output is correct
15 Correct 96 ms 196216 KB Output is correct
16 Correct 102 ms 196216 KB Output is correct
17 Correct 99 ms 196216 KB Output is correct
18 Correct 101 ms 196220 KB Output is correct
19 Correct 98 ms 196216 KB Output is correct
20 Correct 290 ms 196472 KB Output is correct
21 Correct 287 ms 196216 KB Output is correct
22 Correct 247 ms 196216 KB Output is correct
23 Correct 226 ms 196216 KB Output is correct
24 Correct 175 ms 196216 KB Output is correct
25 Correct 210 ms 196216 KB Output is correct
26 Correct 204 ms 196472 KB Output is correct
27 Correct 193 ms 196344 KB Output is correct
28 Correct 181 ms 196216 KB Output is correct
29 Correct 202 ms 196216 KB Output is correct
30 Correct 142 ms 196344 KB Output is correct
31 Correct 143 ms 196344 KB Output is correct
32 Correct 228 ms 196296 KB Output is correct
33 Correct 178 ms 196216 KB Output is correct
34 Correct 302 ms 196288 KB Output is correct
35 Correct 230 ms 196220 KB Output is correct
36 Correct 176 ms 196472 KB Output is correct
37 Correct 318 ms 196368 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 101 ms 196344 KB Output isn't correct
2 Halted 0 ms 0 KB -