Submission #338127

#	Time	Username	Problem	Language	Result	Execution time	Memory
338127		beksultan04	Skyline (IZhO11_skyline)	C++14	100 / 100	222 ms	193900 KiB

skyline

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
const int N = 1e6+11,INF=1e9+7;

int q[N],n,dp[304][201][201],vis[305][201][201];
int rec(int j,int x,int y){
    if (j > n)ret 0;
    if (vis[j][x][y])ret dp[j][x][y];
    vis[j][x][y]=1;
    if (x == 0){
        dp[j][x][y] = rec(j+1,y,q[j+2]);
    }
    else {
        dp[j][x][y] = rec(j,x-1,y)+3;
        if (y > 0){
            dp[j][x][y] = min(dp[j][x][y],rec(j,x-1,y-1)+5);
        }
        if (x <= y && x <= q[j+2]){
            dp[j][x][y] = min(dp[j][x][y],rec(j+1,y-x,q[j+2]-x)+7*x);
        }
    }
    ret dp[j][x][y];


}

main(){
    int i,j;
    scan1(n)
    for (i=1;i<=n;++i)
        scan1(q[i])
    cout <<rec(1,q[1],q[2]);

}

Compilation message (stderr)

skyline.cpp:43:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   43 | main(){
      |      ^
skyline.cpp: In function 'int main()':
skyline.cpp:44:11: warning: unused variable 'j' [-Wunused-variable]
   44 |     int i,j;
      |           ^
skyline.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
skyline.cpp:45:5: note: in expansion of macro 'scan1'
   45 |     scan1(n)
      |     ^~~~~
skyline.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
skyline.cpp:47:9: note: in expansion of macro 'scan1'
   47 |         scan1(q[i])
      |         ^~~~~

• Subtask 1: 100 / 100