제출 #1027724

#제출 시각아이디문제언어결과실행 시간메모리
1027724GangstaBoat (APIO16_boat)C++14
9 / 100
1 ms472 KiB
/*
ID: didarco1
TASK: 
LANG: c++17
*/
#include "bits/stdc++.h"
#define ll long long int
#define pb push_back
#define pii pair<int,int>
#define ff first
#define ss second
#define sz size()

const int MOD = 1e9+7;
const int N = 501;

using namespace std;

int a[N], b[N], dp[N], ans;

int main(){
    ios::sync_with_stdio(false); cin.tie(nullptr);
    //freopen("input.in", "r", stdin);
    //freopen("output.out", "w", stdout);
    int n;
    cin >> n;
    for(int i = 1; i <= n; i++) cin >> a[i] >> b[i], dp[i];
    for(int i = 1; i <= n; i++){
    	for(int j = i-1; j > 0; j--){
    		if(a[i] > a[j]){
    			dp[i] += dp[j] + 1;
    			dp[i] %= MOD;
    		}
    	}
    }
    for(int i = 1; i <= n; i++){
    	ans += dp[i];
    	ans %= MOD;
    }
    cout << ans + n;
}

컴파일 시 표준 에러 (stderr) 메시지

boat.cpp: In function 'int main()':
boat.cpp:27:58: warning: right operand of comma operator has no effect [-Wunused-value]
   27 |     for(int i = 1; i <= n; i++) cin >> a[i] >> b[i], dp[i];
      |                                                      ~~~~^
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