제출 #331101

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
331101		evpipis	Restore Array (RMI19_restore)	C++11	7 / 100	662 ms	892 KiB

restore

#include<bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
#define mp make_pair
typedef pair<int, int> ii;

const int len = 5005, inf = 1e9;
int dis[len], n, m;
vector<ii> adj[len];

void add(int a, int b, int c){
    adj[a].pb(mp(b, c));
}

bool bellman(){
    for (int i = 1; i <= n; i++)
        dis[i] = inf;

    int rep = 0;
    while (rep <= n){
        bool upd = false;
        for (int u = 0; u <= n; u++)
            for (auto v: adj[u])
                if (dis[u]+v.se < dis[v.fi])
                    dis[v.fi] = dis[u]+v.se, upd = true;

        if (!upd) break;
        rep++;
    }

    return (rep <= n);
}

void print(){
    for (int i = n; i >= 1; i--)
        dis[i] = 1-(dis[i]-dis[i-1]);
    for (int i = 1; i <= n; i++)
        printf("%d ", dis[i]);
    printf("\n");
}

int main(){
    scanf("%d %d", &n, &m);

    for (int i = 1; i <= n; i++){
        add(i-1, i, 1);
        add(i, i-1, 0);
    }

    for (int i = 0; i < m; i++){
        int l, r, k, v;
        scanf("%d %d %d %d", &l, &r, &k, &v);
        l++, r++;

        if (v == 0)
            add(r, l-1, -k);
        else
            add(l-1, r, k-1);
    }

    if (!bellman()){
        printf("-1\n");
        return 0;
    }

    print();
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

restore.cpp: In function 'int main()':
restore.cpp:46:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   46 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
restore.cpp:55:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   55 |         scanf("%d %d %d %d", &l, &r, &k, &v);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55