제출 #778723

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
778723		YassirSalama	Catfish Farm (IOI22_fish)	C++17	컴파일 에러	0 ms	0 KiB

fish

#include "fish.h"
#include<bits/stdc++.h>
#include <vector>
using namespace std;
#define all(v) v.begin(),v.end()
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
    long long ans=0,ans1=0;
    vector<long long> v1(N+100,0);
    vector<long long> v2(N+100,0);
    for(int i=0;i<M;i++){
        if(X[i]==1){
            v2[Y[i]+1]=W[i];
        }
        if(X[i]==0) {
            v1[Y[i]+1]=W[i];
        }
    }
    if(n==2){
        return max({accumulate(all(v1),0LL),accumulate(all(v2),0LL)});
    }
    for(int i=1;i<v1.size();i++){
        v1[i]+=v1[i-1];
        v2[i]+=v2[i-1];
    }
    ans=v1.back();
    ans1=v2.back();
    long long mx=ans1;
    // for(int i=1;i<=6;i++) cout<<v2[i]<<endl;
    for(int i=1;i<v1.size();i++){
        mx=max(mx,v1[i]+(ans1-v2[i]));
    }
    return max({ans,ans1,mx});
}

컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:19:8: error: 'n' was not declared in this scope
   19 |     if(n==2){
      |        ^
fish.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(int i=1;i<v1.size();i++){
      |                 ~^~~~~~~~~~
fish.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(int i=1;i<v1.size();i++){
      |                 ~^~~~~~~~~~