제출 #799547

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
799547	2023-07-31 15:51:53	anton	Safety (NOI18_safety)	C++17	66 / 100	2074 ms	2364 KiB

safety

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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int, int>
const int MAX_N = 2*1e5;
const int INF = 1e18;
int n, h, A[MAX_N], B[MAX_N], C[MAX_N];
int up_cost[MAX_N], down_cost[MAX_N];
int up_limit[MAX_N], down_limit[MAX_N];
void find_costs(int l, int r){
    for(int i = l; i<r; i++){
        C[i] = B[i]-A[i];
        if(C[i] == 0){
            up_cost[i] = 1;
            down_cost[i] = 1;
            up_limit[i]= INF;
            down_limit[i] = INF;
        }
        else if(C[i]<0){
            up_limit[i] = abs(C[i]);
            down_limit[i] =INF;
            up_cost[i] =-1;
            down_cost[i] =1;
        }
        else if(C[i]>0){
            up_limit[i] = INF;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

safety.cpp: In function 'int main()':
safety.cpp:75:40: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |                 for(int inter= 0; inter<oc.size()-1; inter++){
      |                                   ~~~~~^~~~~~~~~~~~
safety.cpp:108:40: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  108 |                 for(int inter= 0; inter<oc.size()-1; inter++){
      |                                   ~~~~~^~~~~~~~~~~~
safety.cpp:55:17: warning: unused variable 'pos' [-Wunused-variable]
   55 |             int pos = -1;
      |                 ^~~

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