Submission #1101313

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101313		Sunbae	Copy and Paste 3 (JOI22_copypaste3)	C++17	0 / 100	1115 ms	100508 KiB

copypaste3

#include <bits/stdc++.h>
#define z exit(0)
typedef long long ll;
using namespace std;
const int N = 2555;
const ll inf = LLONG_MAX;
char s[N];
ll dp[N<<1][N<<1];
int A, B, C, n, vis[N<<1][N<<1];
signed main(){
    scanf("%d %s %d %d %d", &n, s, &A, &B, &C);
    for(int i = 0; i<=n; ++i) fill(dp[i], dp[i]+2*n+1, inf);
    using T = tuple<ll,int,int>;
    priority_queue<T, vector<T>, greater<T>> pq;
    pq.emplace(dp[0][0] = 0, 0, 0);
    while(!pq.empty()){
        ll dis; int i, j; tie(dis, i, j) = pq.top(); pq.pop();
        if(vis[i][j]) continue; vis[i][j] = 1;
        if(dp[i][j] >= inf) continue;
        if(i+1 <= 2*n && dp[i+1][j] > dp[i][j] + A) pq.emplace(dp[i+1][j] = dp[i][j] + A, i+1, j);
        if(i+j <= 2*n && dp[0][i+j] > dp[i][j] + B) pq.emplace(dp[0][i+j] = dp[i][j] + B, 0, i+j);
        if(i+j <= 2*n && dp[i+j][j] > dp[i][j] + C) pq.emplace(dp[i+j][j] = dp[i][j] + C, i+j, j);
    }
    printf("%lld", *min_element(dp[n], dp[n]+2*n+1));
}

Compilation message (stderr)

copypaste3.cpp: In function 'int main()':
copypaste3.cpp:18:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   18 |         if(vis[i][j]) continue; vis[i][j] = 1;
      |         ^~
copypaste3.cpp:18:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   18 |         if(vis[i][j]) continue; vis[i][j] = 1;
      |                                 ^~~
copypaste3.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d %s %d %d %d", &n, s, &A, &B, &C);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 1
• Subtask 2: 0 / 5
• Subtask 3: 0 / 14
• Subtask 4: 0 / 10
• Subtask 5: 0 / 32
• Subtask 6: 0 / 38