Submission #1516879


Source Code Expand

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

const int N = 1e5+5, M = 1e9+7;
ll p[N];

ll tot(int n) {
	for(int i = 0; i < n; ++i)
		scanf("%lld",p+i);
	ll ans = 0;
	for(int i = 1; i < n; ++i)
		ans = (ans + i * (n-i) % M * (p[i]-p[i-1])) % M;
	return ans;
}

int main() {
	int n,m;
	scanf("%d%d",&n,&m);
	printf("%lld\n",tot(n) * tot(m) % M);
}

Submission Info

Submission Time
Task D - ###
User cephian
Language C++14 (GCC 5.4.1)
Score 0
Code Size 389 Byte
Status WA
Exec Time 24 ms
Memory 1024 KB

Compile Error

./Main.cpp: In function ‘ll tot(int)’:
./Main.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",p+i);
                    ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:19:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 2
AC × 5
WA × 12
Set Name Test Cases
Sample 0_000.txt, 0_001.txt
All 0_000.txt, 0_001.txt, max.txt, min.txt, mod.txt, n2.txt, rndA.txt, rndB.txt, rndC.txt, rndD.txt, rndE.txt, rndF.txt, rndG.txt, rndH.txt, rndI.txt, rndJ.txt, var.txt
Case Name Status Exec Time Memory
0_000.txt AC 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
max.txt WA 24 ms 1024 KB
min.txt AC 1 ms 256 KB
mod.txt AC 13 ms 1024 KB
n2.txt AC 13 ms 1024 KB
rndA.txt WA 24 ms 1024 KB
rndB.txt WA 24 ms 1024 KB
rndC.txt WA 24 ms 1024 KB
rndD.txt WA 24 ms 1024 KB
rndE.txt WA 24 ms 1024 KB
rndF.txt WA 24 ms 1024 KB
rndG.txt WA 24 ms 1024 KB
rndH.txt WA 24 ms 1024 KB
rndI.txt WA 24 ms 1024 KB
rndJ.txt WA 24 ms 1024 KB
var.txt WA 24 ms 1024 KB