제출 #811229

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
811229	2023-08-07 02:48:15	blackyuki	메기 농장 (IOI22_fish)	C++17	100 / 100	147 ms	38608 KiB

fish

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<P> vp;
typedef vector<vp> vvp;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define all(a) a.begin(),a.end()
#define fi first
#define se second
#define pb emplace_back
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
const ll inf=1001001001001001001;
ll max_weights(int N,int M,vector<int> X,vector<int> Y,vector<int> W){
    vvp g(N+1);
    rep(i,M)g[X[i]+1].pb(Y[i]+1,W[i]);
    g[0].pb(0,0);
    rep(i,N+1)sort(all(g[i]));
    vi dp1(N+1,-inf),dp2(N+1,-inf);
    vvi dp3(N+1),dp4(N+1);
    rep(i,N+1)rep(j,g[i].size()){
        dp3[i].pb(-inf);dp4[i].pb(-inf);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In function 'll max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:52:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |             if(l<g[i-1].size())chmax(val,dp4[i-1][l]);
      |                ~^~~~~~~~~~~~~~
fish.cpp:53:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |             if(j+1<g[i].size())chmax(val,dp4[i][j+1]);
      |                ~~~^~~~~~~~~~~~
fish.cpp:57:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |             if(j+1<g[i].size())chmax(dp4[i][j],dp4[i][j+1]);
      |                ~~~^~~~~~~~~~~~

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