Submission #48437

#	Time	Username	Problem	Language	Result	Execution time	Memory
48437		IvanC	Calvinball championship (CEOI15_teams)	C++17	10 / 100	793 ms	8844 KiB

teams

#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 (stderr)

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 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10