Submission #1866789

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Source Code Expand

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

const int N = 305;
const int md = 1e9 + 7;

int n, m;
vector < pair<int,int> > seg[N];
int dp[N][N][N];

void add(int &x, int y) { x += y; while(x >= md) x -= md; if (x < 0) x += md; }

bool check(int i, int j, int k) {
	for (auto segment : seg[i]) {
		int lef = segment.first; // left point
		int dif = segment.second; // different colors
		int cnt = (i >= lef) + (j >= lef) + (k >= lef);
		if (cnt != dif) return false;
	}
	return true;
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n >> m;
	for (int i = 1; i <= m; ++i) {
		int l, r, x; cin >> l >> r >> x;
		seg[r].push_back(make_pair(l, x));
	}
	dp[0][0][0] = 1;
	for (int i = 1; i <= n; ++i) {
		for (int j = 0; j < i; ++j) {
			for (int k = 0; k <= j; ++k) {
				if (!dp[i-1][j][k]) continue;
				int nj, nk;
				// i-1
				if (check(i, j, k)) add(dp[i][j][k], dp[i-1][j][k]);
				// j
				if (check(i, i-1, k)) add(dp[i][i-1][k], dp[i-1][j][k]);
				// k
				if (check(i, i-1, j)) add(dp[i][i-1][j], dp[i-1][j][k]);
			}
		}
	}	

	int ans = 0;
	for (int j = 0; j < n; ++j) {
		for (int k = 0; k <= j; ++k) {
			add(ans, dp[n][j][k]);
		}
	}
	printf("%lld\n", ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:52:22: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘int’ [-Wformat=]
  printf("%lld\n", ans);
                      ^

Judge Result