제출 #577842

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
577842		patrikpavic2	Uplifting Excursion (BOI22_vault)	C++17	0 / 100	303 ms	348 KiB

vault

#include <cstdio>
#include <algorithm>
 
using namespace std;
 
typedef long long ll;
 
const int M = 102;
const int GR = M * M;
const int INF = 0x3f3f3f3f;
 
int m;
ll L, A[M], kol;
int dp[2 * GR];
 
int main(){
    scanf("%d%lld", &m, &L);
    for(int i = m;i >= 1;i--){
        ll x; scanf("%lld", &x);
      //  A[i] += x; L += x * i;
    }
    ll bla; scanf("%lld", &bla);
    for(int i = 1;i <= m;i++){
        ll x; scanf("%lld", &x);
        A[i] += x;
    }
    ll L2 = 0;
    for(int i = 1;i <= m;i++){
        ll uz = min(A[i], max(L, 0LL) / i);
        ll trb = M / i;
        if(A[i] - uz >= trb){
            kol += uz; L -= uz * i;
            A[i] -= uz;
        }
        else{
            L -= uz * i; kol += A[i] - min(A[i], trb);
            L2 += ((ll)min(A[i], trb) - A[i] + uz) * i;
            A[i] = min(A[i], trb);
        }
        A[i] = min((ll)2 * GR / i, A[i]);
    }
    L += L2;
    for(int i = 1;i < 2 * GR;i++)
        dp[i] = -INF;
    for(int i = 1;i <= m;i++){
        for(int j = 0;j < A[i];j++){
            for(int k = 2 * GR - 1;k >= i;k--)
                dp[k] = max(dp[k], 1 + dp[k - i]);
        }
    }
    if(L >= 2 * GR || dp[L] < 0)
        printf("impossible\n");
    else
        printf("%lld\n", kol + dp[L] + bla);
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

vault.cpp: In function 'int main()':
vault.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     scanf("%d%lld", &m, &L);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
vault.cpp:19:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         ll x; scanf("%lld", &x);
      |               ~~~~~^~~~~~~~~~~~
vault.cpp:22:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     ll bla; scanf("%lld", &bla);
      |             ~~~~~^~~~~~~~~~~~~~
vault.cpp:24:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         ll x; scanf("%lld", &x);
      |               ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3-1: 0 / 10
• Subtask 3-2: 0 / 10
• Subtask 4-1: 0 / 10
• Subtask 4-2: 0 / 10
• Subtask 5-1: 0 / 10
• Subtask 5-2: 0 / 10
• Subtask 6-1: 0 / 10
• Subtask 6-2: 0 / 10