제출 #305833

#제출 시각아이디문제언어결과실행 시간메모리
305833T0p_Exhibition (JOI19_ho_t2)C++14
100 / 100
94 ms4488 KiB
#include<bits/stdc++.h> using namespace std; pair<int, int> p[100100]; int f[100100]; int main() { int n, m; scanf(" %d %d",&n,&m); for(int i=1 ; i<=n ; i++) scanf(" %d %d",&p[i].second,&p[i].first); for(int i=1 ; i<=m ; i++) scanf(" %d",&f[i]); sort(p+1, p+n+1); sort(f+1, f+m+1); int i = n, j = m, ans = 0; while(i >= 1 && j >= 1) { if(p[i].second <= f[j]) { j--; ans++; } i--; } printf("%d\n",ans); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |  scanf(" %d %d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |   scanf(" %d %d",&p[i].second,&p[i].first);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |   scanf(" %d",&f[i]);
      |   ~~~~~^~~~~~~~~~~~~
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