提出 #46825236

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ソースコード 拡げる

#include<bits/stdc++.h>
#pragma GCC optimzie "Ofast"
#define prob "E"
#define ll long long
#define fi first
#define se second
using namespace std;
const int maxn = 1e3;
const int MOD = 1e9 + 7;
const int dx[] = {-1,0,1,0};
const int dy[] = {0,1,0,-1};
typedef pair<int,int> pi;
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
int n,A,B,C;
int d[maxn+5][maxn+5];
long long dp[maxn+5][2];
struct ii{
    int id;
    long long w;
    int type;
};
struct cmp{
    bool operator () (ii A, ii B){
        return A.w > B.w;
    }
};
priority_queue<ii,vector<ii>,cmp> Heap;
void solve(){
    cin >> n >> A >> B >> C;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin >> d[i][j];
        }
    }
    for(int i=1;i<=n;i++) dp[i][0] = dp[i][1] = 1e18;
    dp[1][0] = dp[1][1] = 0;
    Heap.push({1,dp[1][0],0});
    Heap.push({1,dp[1][1],1});
    while(Heap.size()){
        ii u = Heap.top();
        Heap.pop();
        if(dp[u.id][u.type] < u.w) continue;
        for(int i=1;i<=n;i++){
            if(i == u.id) continue;
            if(u.type == 1){
                ll tmp = dp[u.id][1] + 1ll * d[u.id][i] * B + 1ll * C;
                if(tmp < dp[i][1]){
                    dp[i][1] = tmp;
                    Heap.push({i,dp[i][1],1});
                }
            }
            else{
                ll tmp = dp[u.id][0] + 1ll * d[u.id][i] * A;
                if(tmp < dp[i][0]){
                    dp[i][0] = tmp;
                    Heap.push({i,dp[i][0],0});
                }
                ll tmp1 = dp[u.id][0] + 1ll * d[u.id][i] * B + 1ll * C;
                if(tmp1 < dp[i][1]){
                    dp[i][1] = tmp1;
                    Heap.push({i,dp[i][1],1});
                }
            }
        }
    }
    cout << min(dp[n][0],dp[n][1]);
}
int main(){
    if(fopen(prob".inp","r")){
        freopen(prob".inp","r",stdin);
        freopen(prob".out","w",stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int tc = 1;
//    cin >> tc;
    while(tc--) solve();
}

提出情報

コンパイルエラー

Main.cpp:2: warning: ignoring ‘#pragma GCC optimzie’ [-Wunknown-pragmas]
    2 | #pragma GCC optimzie "Ofast"
      | 
Main.cpp: In function ‘int main()’:
Main.cpp:95:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   95 |         freopen(prob".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:96:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   96 |         freopen(prob".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

ジャッジ結果