제출 #1099776

#제출 시각아이디문제언어결과실행 시간메모리
1099776model_code나일강 (IOI24_nile)C++17
0 / 100
26 ms4800 KiB
// incorrect/bakry_wa_q1_overflow.cpp #include <bits/stdc++.h> using namespace std ; vector<long long>calculate_costs(vector<int>W, vector<int>A, vector<int>B, vector<int>E) { vector< array<int , 3> >ord; int n = W.size(), q = E.size(); for(int i = 0; i < n; ++i) ord.push_back({W[i], A[i], B[i]}); sort(ord.begin(), ord.end()); for(int i = 0; i < n; ++i) W[i] = ord[i][0], A[i] = ord[i][1], B[i] = ord[i][2]; int d = E[0]; vector<long long>dp(n+2); dp[0] = A[0]; for(int i = 1; i < n; ++i) { dp[i] = dp[i-1] + A[i]; //take i-1 if(W[i] - W[i-1] <= d) { if(i == 1) dp[i] = min(dp[i], 1ll * B[i] + B[i-1]); else dp[i] = min(dp[i], B[i] + B[i-1] + dp[i-2]); } //take i-2 if(i-2 >= 0 && W[i] - W[i-2] <= d) { if(i == 2) dp[i] = min(dp[i], 1ll * B[i] + B[i-2] + A[i-1]); else dp[i] = min(dp[i], B[i] + B[i-2] + A[i-1] + dp[i-3]); } } return {dp[n-1]}; }

컴파일 시 표준 에러 (stderr) 메시지

nile.cpp: In function 'std::vector<long long int> calculate_costs(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
nile.cpp:9:20: warning: unused variable 'q' [-Wunused-variable]
    9 |  int n = W.size(), q = E.size();
      |                    ^
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