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Submission #824555

# Submission time Handle Problem Language Result Execution time Memory
824555 2023-08-14T07:36:51 Z 반딧불(#10358) Robogolf (ROI19_golf) C++17
14 / 100
 481 ms 524288 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const ll MOD = 998244353;

int n, m, k;
int px[100002], py[100002]; ll pc[100002];
ll DP[10][2200002][2];
bool hole[10][2200002];
vector<int> vx, vy;

void renumber(){
    for(int i=1; i<=n; i++) vx.push_back((i+1)/2);
    vy.push_back(1), vy.push_back((m+1)/2);
    for(int i=1; i<=k; i++){
        int y = (py[i] + 1) / 2;
        for(int a=1; a<=5; a++){
            if(y-a>1) vy.push_back(y-a);
            if(y+a<(m+1)/2) vy.push_back(y+a);
        }
        vy.push_back(y);
    }
    sort(vx.begin(), vx.end()); vx.erase(unique(vx.begin(), vx.end()), vx.end());
    sort(vy.begin(), vy.end()); vy.erase(unique(vy.begin(), vy.end()), vy.end());

    vector<int> tvx (1, 0), tvy (1, 0);
    for(int x: vx){
        tvx.push_back(x*2-1);
        if(x*2 <= n) tvx.push_back(x*2);
    }
    for(int y: vy){
        tvy.push_back(y*2-1);
        if(y*2 <= m) tvy.push_back(y*2);
    }
    n = (int)tvx.size()-1, m = (int)tvy.size()-1;
    vx.swap(tvx), vy.swap(tvy);

    for(int i=1; i<=k; i++){
        px[i] = lower_bound(vx.begin(), vx.end(), px[i]) - vx.begin();
        py[i] = lower_bound(vy.begin(), vy.end(), py[i]) - vy.begin();
    }
}

int main(){
    scanf("%d %d %d", &n, &m, &k);
    for(int i=1; i<=k; i++){
        scanf("%d %d %lld", &px[i], &py[i], &pc[i]);
    }

    renumber();

    for(int i=1; i<=k; i++){
        DP[px[i]][py[i]][0] = DP[px[i]][py[i]][1] = pc[i];
        hole[px[i]][py[i]] = 1;
    }

    for(int i=n+1; i>=1; i--){
        for(int j=m+1; j>=1; j--){
            if(i==n+1 || j==m+1){
                DP[i][j][0] = DP[i][j][1] = 0;
                continue;
            }
            if(hole[i][j]) continue;
            DP[i][j][0] = min(DP[i+1][j][1], DP[i][j+1][1]);
            DP[i][j][1] = max(DP[i+1][j][0], DP[i][j+1][0]);
            //printf("%d %d: %lld %lld\n", i, j, DP[i][j][0], DP[i][j][1]);
        }
    }

    ll ans = 0;
    for(int i=1; i<=n; i++){
        for(int j=1; j<=m; j++){
            ll v = (DP[i][j][0] + MOD*2) % MOD;
            if(i+2 <= n) v = v * ((vx[i+2] - vx[i]) / 2) % MOD;
            if(j+2 <= m) v = v * ((vy[j+2] - vy[j]) / 2) % MOD;
            //printf("%d %d: %lld\n", i, j, v);
            ans = (ans + v) % MOD;
        }
    }
    printf("%lld", ans);
}

Compilation message

golf.cpp: In function 'int main()':
golf.cpp:47:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |     scanf("%d %d %d", &n, &m, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
golf.cpp:49:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |         scanf("%d %d %lld", &px[i], &py[i], &pc[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Runtime error 5 ms 468 KB Execution killed with signal 11
8 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 16 ms 1796 KB Output is correct
4 Correct 97 ms 12760 KB Output is correct
5 Correct 174 ms 97468 KB Output is correct
6 Correct 299 ms 204936 KB Output is correct
7 Correct 281 ms 227664 KB Output is correct
8 Correct 154 ms 83800 KB Output is correct
9 Correct 213 ms 120236 KB Output is correct
10 Correct 217 ms 156788 KB Output is correct
11 Correct 250 ms 193324 KB Output is correct
12 Correct 291 ms 230060 KB Output is correct
13 Correct 288 ms 230004 KB Output is correct
14 Correct 294 ms 229932 KB Output is correct
15 Correct 138 ms 51024 KB Output is correct
16 Correct 129 ms 41784 KB Output is correct
17 Correct 226 ms 157152 KB Output is correct
18 Correct 156 ms 59584 KB Output is correct
19 Correct 146 ms 59612 KB Output is correct
20 Correct 153 ms 59580 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 572 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 77 ms 15136 KB Output is correct
27 Correct 81 ms 22044 KB Output is correct
28 Correct 63 ms 11264 KB Output is correct
29 Correct 63 ms 11320 KB Output is correct
30 Correct 64 ms 11348 KB Output is correct
31 Correct 66 ms 11320 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 10176 KB Output is correct
2 Runtime error 52 ms 4568 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Runtime error 5 ms 468 KB Execution killed with signal 11
8 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 10596 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 10596 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Runtime error 5 ms 468 KB Execution killed with signal 11
8 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 481 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Runtime error 5 ms 468 KB Execution killed with signal 11
8 Halted 0 ms 0 KB -