Submission #552252

#	Time	Username	Problem	Language	Result	Execution time	Memory
552252		LucaDantas	Sightseeing in Kyoto (JOI22_kyoto)	C++17	10 / 100	2091 ms	2452 KiB

kyoto

// carteacao fds
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;

constexpr int maxn = 100010;

int a[maxn], b[maxn];
long long dp[maxn];

int main() {
	int r, c; scanf("%d %d", &r, &c);
	for(int i = 0; i < r; i++)
		scanf("%d", a+i);
	for(int i = 0; i < c; i++)
		scanf("%d", b+i);
	memset(dp, 0x3f, sizeof dp);
	dp[0] = 0;
	for(int i = 0; i < r; i++) {
		for(int j = 1; j < c; j++)
			dp[j] = min(dp[j], dp[j-1] + a[i]);
		if(i == r-1) break;
		for(int j = 0; j < c; j++)
			dp[j] += b[j];
	}
	printf("%lld\n", dp[c-1]);
}

Compilation message (stderr)

kyoto.cpp: In function 'int main()':
kyoto.cpp:13:17: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  int r, c; scanf("%d %d", &r, &c);
      |            ~~~~~^~~~~~~~~~~~~~~~~
kyoto.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |   scanf("%d", a+i);
      |   ~~~~~^~~~~~~~~~~
kyoto.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%d", b+i);
      |   ~~~~~^~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 60