Submission #134161

#	Time	Username	Problem	Language	Result	Execution time	Memory
134161		Runtime_error_	Horses (IOI15_horses)	C++14	17 / 100	19 ms	10616 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll inf = 1e3+9,mod = 1e9+7;
ll dp[inf],x[inf],y[inf];

int init(int N, int X[], int Y[]) {

    for(int i=1;i<=N;i++)
        x[i] = X[i-1] , y[i] = Y[i-1];

	ll cur = 1,ret = 0;
	for(int i=1;i<=N;i++){
        cur = 1;
        for(int j=i;j>0;j--){
            cur = (cur*x[j])%mod;
            dp[i] = max(dp[i], (mod+dp[j-1]-y[j-1] + (cur*y[i])%mod)%mod );
        }

        ret = max( ret ,dp[i] );
        //cout<<dp[i]<<" ";
	}
	return (int)ret;
}

int updateX(int pos, int val) {
	return 0;
}

int updateY(int pos, int val) {
	return 0;
}

Compilation message (stderr)

horses.cpp: In function 'int updateX(int, int)':
horses.cpp:27:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateX(int pos, int val) {
                 ^~~
horses.cpp:27:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateX(int pos, int val) {
                          ^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:31:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateY(int pos, int val) {
                 ^~~
horses.cpp:31:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateY(int pos, int val) {
                          ^~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 23
• Subtask 5: 0 / 23