oj.uz

Submission #48437

# Submission time Handle Problem Language Result Execution time Memory
48437 2018-05-13T13:27:12 Z IvanC Calvinball championship (CEOI15_teams) C++17
10 / 100
 793 ms 8844 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const int MAXN = 1010;
const ll MOD =  1000007LL;

ll dp[MAXN][MAXN],tot;
int N,vetor[MAXN];

ll solve(int pos,int maior){
	if(dp[pos][maior] != -1) return dp[pos][maior];
	if(pos == N){
		return dp[pos][maior] = maior;
	}
	ll ans = 0;
	for(int i = 1;i<=min(maior+1,N);i++){
		ans += solve(pos+1,max(i,maior));
	}
	return dp[pos][maior] = ans % MOD;
}

int main(){
	scanf("%d",&N);
	memset(dp,-1,sizeof(dp));
	for(int i = 1;i<=N;i++) scanf("%d",&vetor[i]);
	int maior = 0;
	for(int pos = 1;pos<=N;pos++){
		for(int i = 1;i<vetor[pos];i++){
			if(pos != N) tot += solve(pos+1, min(N, maior+1) );
			else tot++;
		}
		tot %= MOD;
		maior = max(maior,vetor[pos]);
	}
	tot++;
	tot %= MOD;
	printf("%lld\n",tot);
	return 0;
}

Compilation message

teams.cpp: In function 'int main()':
teams.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
  ~~~~~^~~~~~~~~
teams.cpp:26:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1;i<=N;i++) scanf("%d",&vetor[i]);
                          ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8312 KB Output is correct
2 Correct 7 ms 8312 KB Output is correct
3 Correct 8 ms 8528 KB Output is correct
4 Correct 8 ms 8528 KB Output is correct
5 Correct 8 ms 8528 KB Output is correct
6 Correct 7 ms 8544 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8548 KB Output is correct
2 Incorrect 8 ms 8576 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 8592 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 8596 KB Output isn't correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 8600 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 115 ms 8604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 793 ms 8760 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 763 ms 8796 KB Output isn't correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 8796 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 8844 KB Output isn't correct
2 Halted 0 ms 0 KB -