제출 #32225

#제출 시각아이디문제언어결과실행 시간메모리
32225giatuevuBoat (APIO16_boat)C++14
9 / 100
3 ms2032 KiB
#include <bits/stdc++.h> using namespace std; typedef pair <long long,long long> ll; ll a[505]; long long n,f[505][2],mod=1e9+7,kq; bool check1,check2,check3; void sub1() { for (int i=1; i<=n; ++i) { long long pos=1,pos2=1; for (int j=1; j<i; ++j) { f[i][0]=(f[i][0]+f[j][1])%mod; if (a[i].first>a[j].first) f[i][1]=(f[i][1]+f[j][1])%mod; } f[i][1]++; } cout<<(f[n][0]+f[n][1])%mod; } int main() { cin>>n; check1=check2=check3=true; for (int i=1; i<=n; ++i) { cin>>a[i].first>>a[i].second; if (a[i].first!=a[i].second) check1=false; } if (check1==true) sub1(); }

컴파일 시 표준 에러 (stderr) 메시지

boat.cpp: In function 'void sub1()':
boat.cpp:11:19: warning: unused variable 'pos' [-Wunused-variable]
         long long pos=1,pos2=1;
                   ^
boat.cpp:11:25: warning: unused variable 'pos2' [-Wunused-variable]
         long long pos=1,pos2=1;
                         ^
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