Kertotaulu

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:16:19: warning: unused variable 'dy' [-Wunused-variable]
  int dx = x2 - x1,dy=y2-y1;
                   ^

#include <iostream>
#include <stdio.h>
#include <algorithm>
#include <vector>

using namespace std;

#define M 1000000007
#define ll long long

int main(int argc, char* argv[])
{
	ios_base::sync_with_stdio(false);
	int x1, y1, x2, y2;
	cin >> y1 >> x1 >> y2 >> x2;
	int dx = x2 - x1,dy=y2-y1;

	ll v=0;
	for (int i = y1; i < y2+1; i++){
		int k = i*x1;
		v += k;
		for (int j = 0; j < dx; j++){
			k += i;
			v = (v + k) % M;
		}
	}
	cout << v;// << endl;
	//system("pause");
	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED