제출 #52902

#제출 시각아이디문제언어결과실행 시간메모리
52902szawinisGarage (IOI09_garage)C++17
100 / 100
4 ms868 KiB
#include <bits/stdc++.h> using namespace std; int n, m, nxt = 1, r[101], slot[2001], w[2001]; long long ans; queue<int> wait; priority_queue<int, vector<int>, greater<int> > avail; int main() { scanf("%d%d",&n,&m); for(int i = 1; i <= n; i++) scanf("%d", &r[i]), avail.push(i); for(int i = 1; i <= m; i++) scanf("%d", &w[i]); for(int i = 1; i <= 2*m; i++) { int x; scanf("%d", &x); if(x > 0) { if(wait.empty() && !avail.empty()) slot[x] = avail.top(), avail.pop(); else wait.push(x); } else { x *= -1; ans += r[slot[x]]*w[x]; avail.push(slot[x]); slot[x] = 0; if(!wait.empty()) { slot[wait.front()] = avail.top(); avail.pop(); wait.pop(); } } } printf("%lld", ans); }

컴파일 시 표준 에러 (stderr) 메시지

garage.cpp: In function 'int main()':
garage.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
garage.cpp:10:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1; i <= n; i++) scanf("%d", &r[i]), avail.push(i);
                              ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
garage.cpp:11:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1; i <= m; i++) scanf("%d", &w[i]);
                              ~~~~~^~~~~~~~~~~~~
garage.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~

Subtask 1100 / 100

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