oj.uz

Submission #586447

# Submission time Handle Problem Language Result Execution time Memory
586447 2022-06-30T09:26:48 Z M_W Journey (NOI18_journey) C++17
20 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
#define ii pair<int, int>
using namespace std;
const int md = 500000000;
vector<ii> adj[505];
int dp[10001][505];
int main(){
	int N, M, H;
	scanf("%d %d %d", &N, &M, &H);
	for(int i = 1; i < N; i++){
		for(int j = 1, u, w; j <= H; j++){
			scanf("%d %d", &u, &w);
			adj[i].push_back({u + 1, w});
		}
	}
	for(auto [x, w] : adj[1]) dp[x][min(501, w)]++;
	for(int i = 2; i <= N; i++){
		for(int j = 0; j < M; j++){
			if(j > 0) dp[i][j] = min(dp[i][j] + dp[i][j - 1], md);
			for(auto [x, w] : adj[i]){
				dp[x][min(501, j + w)] += dp[i][j];
				dp[x][min(501, j + w)] = min(dp[x][min(501, j + w)], md);
			}
			// printf(">> %d %d : %d\n", i, j, dp[i][j]);
		}
	}
	for(int i = 0; i < M; i++) printf("%d ", min(dp[N][i], md));
}

Compilation message

journey.cpp: In function 'int main()':
journey.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  scanf("%d %d %d", &N, &M, &H);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
journey.cpp:12:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |    scanf("%d %d", &u, &w);
      |    ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Incorrect 1 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Incorrect 1 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -