oj.uz

Submission #153269

# Submission time Handle Problem Language Result Execution time Memory
153269 2019-09-13T06:14:58 Z arnold518 Soccer (JOI17_soccer) C++14
100 / 100
 1268 ms 61868 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;
const int MAXH = 500;
const ll INF = 1e18;

struct Point { int y, x; };

const int dy[]={-1, 1, 0, 0};
const int dx[]={0, 0, -1, 1};

int H, W, N;
ll A, B, C, ans;
Point S[MAXN+10];

struct Queue
{
    int y, x, t; ll w;
    bool operator < (const Queue &p) const { return w>p.w; }
};
ll close[MAXH+10][MAXH+10];
ll dist[MAXH+10][MAXH+10][5];

int main()
{
    int i, j, k;

    scanf("%d%d%lld%lld%lld%d", &H, &W, &A, &B, &C, &N);
    for(i=1; i<=N; i++) scanf("%d%d", &S[i].y, &S[i].x);

    for(i=0; i<=H; i++) for(j=0; j<=W; j++) close[i][j]=INF;
    priority_queue<Queue> PQ;
    for(i=1; i<=N; i++) PQ.push({S[i].y, S[i].x, -1, 0});
    while(!PQ.empty())
    {
        Queue T=PQ.top(); PQ.pop();
        if(close[T.y][T.x]<=T.w) continue;
        close[T.y][T.x]=T.w;

        for(i=0; i<4; i++)
        {
            int ny=T.y+dy[i], nx=T.x+dx[i];
            if(0<=ny && ny<=H && 0<=nx && nx<=W) PQ.push({ny, nx, -1, T.w+C});
        }
    }

    for(i=0; i<=H; i++) for(j=0; j<=W; j++) for(k=0; k<5; k++) dist[i][j][k]=INF;
    PQ.push({S[1].y, S[1].x, 4, 0});
    while(!PQ.empty())
    {
        Queue T=PQ.top(); PQ.pop();
        if(dist[T.y][T.x][T.t]<=T.w) continue;
        dist[T.y][T.x][T.t]=T.w;

        if(T.t<4)
        {
            PQ.push({T.y, T.x, 4, T.w});
            int ny=T.y+dy[T.t], nx=T.x+dx[T.t];
            if(0<=ny && ny<=H && 0<=nx && nx<=W) PQ.push({ny, nx, T.t, T.w+A});
        }
        else
        {
            for(i=0; i<4; i++) PQ.push({T.y, T.x, i, T.w+close[T.y][T.x]+B});
            for(i=0; i<4; i++)
            {
                int ny=T.y+dy[i], nx=T.x+dx[i];
                if(0<=ny && ny<=H && 0<=nx && nx<=W) PQ.push({ny, nx, 4, T.w+C});
            }
        }
    }

    printf("%lld", min({dist[S[N].y][S[N].x][0], dist[S[N].y][S[N].x][1], dist[S[N].y][S[N].x][2], dist[S[N].y][S[N].x][3], dist[S[N].y][S[N].x][4]}));
}

Compilation message

soccer.cpp: In function 'int main()':
soccer.cpp:33:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%lld%lld%lld%d", &H, &W, &A, &B, &C, &N);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
soccer.cpp:34:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%d%d", &S[i].y, &S[i].x);
                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 226 ms 11516 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1045 ms 37188 KB Output is correct
4 Correct 1034 ms 37108 KB Output is correct
5 Correct 292 ms 13156 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1035 ms 37120 KB Output is correct
2 Correct 984 ms 37192 KB Output is correct
3 Correct 747 ms 34812 KB Output is correct
4 Correct 936 ms 37356 KB Output is correct
5 Correct 770 ms 37008 KB Output is correct
6 Correct 961 ms 37232 KB Output is correct
7 Correct 1059 ms 61740 KB Output is correct
8 Correct 1046 ms 61744 KB Output is correct
9 Correct 998 ms 61732 KB Output is correct
10 Correct 131 ms 12256 KB Output is correct
11 Correct 1101 ms 61744 KB Output is correct
12 Correct 962 ms 37224 KB Output is correct
13 Correct 722 ms 34696 KB Output is correct
14 Correct 1038 ms 61868 KB Output is correct
15 Correct 810 ms 61640 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 226 ms 11516 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1045 ms 37188 KB Output is correct
4 Correct 1034 ms 37108 KB Output is correct
5 Correct 292 ms 13156 KB Output is correct
6 Correct 1035 ms 37120 KB Output is correct
7 Correct 984 ms 37192 KB Output is correct
8 Correct 747 ms 34812 KB Output is correct
9 Correct 936 ms 37356 KB Output is correct
10 Correct 770 ms 37008 KB Output is correct
11 Correct 961 ms 37232 KB Output is correct
12 Correct 1059 ms 61740 KB Output is correct
13 Correct 1046 ms 61744 KB Output is correct
14 Correct 998 ms 61732 KB Output is correct
15 Correct 131 ms 12256 KB Output is correct
16 Correct 1101 ms 61744 KB Output is correct
17 Correct 962 ms 37224 KB Output is correct
18 Correct 722 ms 34696 KB Output is correct
19 Correct 1038 ms 61868 KB Output is correct
20 Correct 810 ms 61640 KB Output is correct
21 Correct 259 ms 9468 KB Output is correct
22 Correct 1214 ms 37040 KB Output is correct
23 Correct 1099 ms 23640 KB Output is correct
24 Correct 1206 ms 24772 KB Output is correct
25 Correct 1125 ms 37120 KB Output is correct
26 Correct 1097 ms 37212 KB Output is correct
27 Correct 688 ms 25460 KB Output is correct
28 Correct 742 ms 28604 KB Output is correct
29 Correct 987 ms 26468 KB Output is correct
30 Correct 824 ms 21320 KB Output is correct
31 Correct 1165 ms 61728 KB Output is correct
32 Correct 1268 ms 38648 KB Output is correct
33 Correct 975 ms 37172 KB Output is correct
34 Correct 1250 ms 37076 KB Output is correct
35 Correct 697 ms 17308 KB Output is correct