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#include <bits/stdc++.h>
using namespace std;
#define N 15000010 // 1.5e7=3e5*25*2,log 3e5=25
int n, q;
// 动态开点线段树
#define ls tr[u].l
#define rs tr[u].r
struct Node {
int l, r;
int sum, tag;
} tr[N];
int root, idx;
// 汇总统计信息
void pushup(int u) {
tr[u].sum = tr[ls].sum + tr[rs].sum;
}
void pushdown(int &u, int l, int r) {
if (tr[u].tag == -1) return;
// 如果存在懒标记
// 准备左右儿子
if (ls == 0) ls = ++idx; // 没有左儿子,创建,因为传递的是地址符&,所以会回写tr[u].l
if (rs == 0) rs = ++idx; // 没有右儿子,创建,因为传递的是地址符&,所以会回写tr[u].r
// 懒标记下传
int mid = (l + r) >> 1;
tr[ls].sum = tr[u].tag * (mid - l + 1); // 区间和增加=懒标记 乘以 区间长度
tr[ls].tag = tr[u].tag; // 加法的懒标记可以叠加
tr[rs].sum = tr[u].tag * (r - mid); // 区间和增加=懒标记 乘以 区间长度
tr[rs].tag = tr[u].tag; // 加法的懒标记可以叠加
// 清除懒标记
tr[u].tag = -1;
}
// 区间修改
void modify(int &u, int l, int r, int L, int R, int v) {
if (u == 0) u = ++idx, tr[u].tag = -1; // 动态开点,同时,将懒标记修改为-1初始化
if (L <= l && r <= R) { // 完整覆盖
tr[u].tag = v; // 懒标记赋值
tr[u].sum = v * (r - l + 1); // 记录sum
return; // 返回节点号
}
pushdown(u, l, r); // 下放懒标记
int mid = (l + r) >> 1; // 分裂
if (L <= mid) modify(ls, l, mid, L, R, v); // 与左儿子区间有交集,递归修改左儿子
if (mid < R) modify(rs, mid + 1, r, L, R, v);
pushup(u);
}
int main() {
#ifndef ONLINE_JUDGE
freopen("CF915E.in", "r", stdin);
#endif
scanf("%d%d", &n, &q);
modify(root, 1, n, 1, n, 1);
int l, r, op;
for (int i = 1; i <= q; i++) {
scanf("%d%d%d", &l, &r, &op);
if (op == 1) {
modify(root, 1, n, l, r, 0); // 更新对应区间
printf("%d\n", tr[1].sum); // 1号节点表示区间(1,n)
} else {
modify(root, 1, n, l, r, 1);
printf("%d\n", tr[1].sum);
}
}
return 0;
}