제출 #87479

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
87479		zoooma13	Vudu (COCI15_vudu)	C++14	42 / 140	1028 ms	66560 KiB

vudu

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;

template <typename T>
using ordered_set = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define MAX_N 1000006

int N;
long long A[MAX_N];
int P;

int main()
{
    scanf("%d",&N);
    for(int i=1; i<=N; i++)
        scanf("%d",&A[i]);
    scanf("%d",&P);
    for(int i=1; i<=N; i++)
        A[i] += A[i-1]-P;

    long long ans = 0;
    ordered_set <long long> os;
    for(int i=0; i<=N; i++){
        ans += os.order_of_key(A[i]+1);
        os.insert(A[i]);
    }

    cout << ans << endl;
}

컴파일 시 표준 에러 (stderr) 메시지

vudu.cpp: In function 'int main()':
vudu.cpp:20:25: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
         scanf("%d",&A[i]);
                    ~~~~~^
vudu.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&N);
     ~~~~~^~~~~~~~~
vudu.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&A[i]);
         ~~~~~^~~~~~~~~~~~
vudu.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&P);
     ~~~~~^~~~~~~~~

• Subtask 1: 42 / 140